290264928 has 48 divisors (see below), whose sum is σ = 763176960. Its totient is φ = 96598656.

The previous prime is 290264927. The next prime is 290264951. The reversal of 290264928 is 829462092.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 290264928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290264927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67713 + ... + 71871.

It is an arithmetic number, because the mean of its divisors is an integer number (15899520).

Almost surely, 2^290264928 is an apocalyptic number.

It is an amenable number.

290264928 is an abundant number, since it is smaller than the sum of its proper divisors (472912032).

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

290264928 is a wasteful number, since it uses less digits than its factorization.

290264928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4899 (or 4891 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 290264928 is about 17037.1631441388. The cubic root of 290264928 is about 662.1120951220.

It can be divided in two parts, 290264 and 928, that added together give a palindrome (291192).

The spelling of 290264928 in words is "two hundred ninety million, two hundred sixty-four thousand, nine hundred twenty-eight".