290830484 has 36 divisors (see below), whose sum is σ = 600415200. Its totient is φ = 122880240.

The previous prime is 290830483. The next prime is 290830487. The reversal of 290830484 is 484038092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290830483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3467 + ... + 24365.

It is an arithmetic number, because the mean of its divisors is an integer number (16678200).

Almost surely, 2^290830484 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 290830484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300207600).

290830484 is an abundant number, since it is smaller than the sum of its proper divisors (309584716).

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

290830484 is a wasteful number, since it uses less digits than its factorization.

290830484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20988 (or 20979 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 290830484 is about 17053.7527834785. The cubic root of 290830484 is about 662.5418387722.

The spelling of 290830484 in words is "two hundred ninety million, eight hundred thirty thousand, four hundred eighty-four".