290664084 has 36 divisors (see below), whose sum is σ = 691334336. Its totient is φ = 95048928.

The previous prime is 290664067. The next prime is 290664097. The reversal of 290664084 is 480466092.

290664084 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 29397 + ... + 38019.

Almost surely, 2^290664084 is an apocalyptic number.

It is an amenable number.

290664084 is an abundant number, since it is smaller than the sum of its proper divisors (400670252).

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

290664084 is a wasteful number, since it uses less digits than its factorization.

290664084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8736 (or 8681 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 290664084 is about 17048.8733938639. The cubic root of 290664084 is about 662.4154558781.

The spelling of 290664084 in words is "two hundred ninety million, six hundred sixty-four thousand, eighty-four".