290469452 has 72 divisors (see below), whose sum is σ = 658924560. Its totient is φ = 110920320.

The previous prime is 290469401. The next prime is 290469469. The reversal of 290469452 is 254964092.

It is a happy number.

290469452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 71927 + ... + 75857.

It is an arithmetic number, because the mean of its divisors is an integer number (9151730).

Almost surely, 2^290469452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 290469452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329462280).

290469452 is an abundant number, since it is smaller than the sum of its proper divisors (368455108).

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

290469452 is a wasteful number, since it uses less digits than its factorization.

290469452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3991 (or 3982 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 290469452 is about 17043.1643775444. The cubic root of 290469452 is about 662.2675692054.

The spelling of 290469452 in words is "two hundred ninety million, four hundred sixty-nine thousand, four hundred fifty-two".