290664472 has 24 divisors (see below), whose sum is σ = 633975660. Its totient is φ = 124570320.

The previous prime is 290664469. The next prime is 290664481. The reversal of 290664472 is 274466092.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 370354 + ... + 371137.

Almost surely, 2^290664472 is an apocalyptic number.

It is an amenable number.

290664472 is an abundant number, since it is smaller than the sum of its proper divisors (343311188).

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

290664472 is a wasteful number, since it uses less digits than its factorization.

290664472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741511 (or 741500 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 290664472 is about 17048.8847729111. The cubic root of 290664472 is about 662.4157506251.

The spelling of 290664472 in words is "two hundred ninety million, six hundred sixty-four thousand, four hundred seventy-two".