290880764 has 12 divisors (see below), whose sum is σ = 516015024. Its totient is φ = 143447904.

The previous prime is 290880763. The next prime is 290880841. The reversal of 290880764 is 467088092.

290880764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×290880764² = 169223237730447392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290880763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497792 + ... + 498375.

It is an arithmetic number, because the mean of its divisors is an integer number (43001252).

Almost surely, 2^290880764 is an apocalyptic number.

It is an amenable number.

290880764 is a deficient number, since it is larger than the sum of its proper divisors (225134260).

290880764 is a wasteful number, since it uses less digits than its factorization.

290880764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996244 (or 996242 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 290880764 is about 17055.2268821027. The cubic root of 290880764 is about 662.5800175807.

The spelling of 290880764 in words is "two hundred ninety million, eight hundred eighty thousand, seven hundred sixty-four".