472387866 has 32 divisors (see below), whose sum is σ = 970764480. Its totient is φ = 153186816.

The previous prime is 472387859. The next prime is 472387871. The reversal of 472387866 is 668783274.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27460 + ... + 41216.

It is an arithmetic number, because the mean of its divisors is an integer number (30336390).

Almost surely, 2^472387866 is an apocalyptic number.

472387866 is an abundant number, since it is smaller than the sum of its proper divisors (498376614).

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

472387866 is a wasteful number, since it uses less digits than its factorization.

472387866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13918.

The product of its digits is 2709504, while the sum is 51.

The square root of 472387866 is about 21734.4856391864. The cubic root of 472387866 is about 778.8124961031.

The spelling of 472387866 in words is "four hundred seventy-two million, three hundred eighty-seven thousand, eight hundred sixty-six".