478947900 has 36 divisors (see below), whose sum is σ = 1385756792. Its totient is φ = 127719360.

The previous prime is 478947881. The next prime is 478947913. The reversal of 478947900 is 9749874.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 478947900.

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, 797947 + ... + 798546.

Almost surely, 2^478947900 is an apocalyptic number.

It is an amenable number.

478947900 is an abundant number, since it is smaller than the sum of its proper divisors (906808892).

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

478947900 is a wasteful number, since it uses less digits than its factorization.

478947900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596510 (or 1596503 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 478947900 is about 21884.8783409915. The cubic root of 478947900 is about 782.4010497286.

The spelling of 478947900 in words is "four hundred seventy-eight million, nine hundred forty-seven thousand, nine hundred".