290269452 has 48 divisors (see below), whose sum is σ = 741896064. Its totient is φ = 87600000.

The previous prime is 290269451. The next prime is 290269459. The reversal of 290269452 is 254962092.

290269452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 290269452.

It is not an unprimeable number, because it can be changed into a prime (290269451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28752 + ... + 37512.

It is an arithmetic number, because the mean of its divisors is an integer number (15456168).

Almost surely, 2^290269452 is an apocalyptic number.

290269452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 290269452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370948032).

290269452 is an abundant number, since it is smaller than the sum of its proper divisors (451626612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

290269452 is a wasteful number, since it uses less digits than its factorization.

290269452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9030 (or 9028 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 290269452 is about 17037.2959122039. The cubic root of 290269452 is about 662.1155349445.

The spelling of 290269452 in words is "two hundred ninety million, two hundred sixty-nine thousand, four hundred fifty-two".