472939820 has 24 divisors (see below), whose sum is σ = 1005748800. Its totient is φ = 186780672.

The previous prime is 472939807. The next prime is 472939853. The reversal of 472939820 is 28939274.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148085 + ... + 151244.

It is an arithmetic number, because the mean of its divisors is an integer number (41906200).

Almost surely, 2^472939820 is an apocalyptic number.

It is an amenable number.

472939820 is an abundant number, since it is smaller than the sum of its proper divisors (532808980).

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

472939820 is a wasteful number, since it uses less digits than its factorization.

472939820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299417 (or 299415 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 472939820 is about 21747.1795872476. The cubic root of 472939820 is about 779.1157083485.

The spelling of 472939820 in words is "four hundred seventy-two million, nine hundred thirty-nine thousand, eight hundred twenty".