472903990 has 16 divisors (see below), whose sum is σ = 916706448. Its totient is φ = 174610656.

The previous prime is 472903987. The next prime is 472904009. The reversal of 472903990 is 99309274.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1818732 + ... + 1818991.

It is an arithmetic number, because the mean of its divisors is an integer number (57294153).

Almost surely, 2^472903990 is an apocalyptic number.

472903990 is a deficient number, since it is larger than the sum of its proper divisors (443802458).

472903990 is a wasteful number, since it uses less digits than its factorization.

472903990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3637743.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 472903990 is about 21746.3557866600. The cubic root of 472903990 is about 779.0960325394.

The spelling of 472903990 in words is "four hundred seventy-two million, nine hundred three thousand, nine hundred ninety".