478949712 has 20 divisors (see below), whose sum is σ = 1237286880. Its totient is φ = 159649888.

The previous prime is 478949707. The next prime is 478949729. The reversal of 478949712 is 217949874.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4989012 + ... + 4989107.

It is an arithmetic number, because the mean of its divisors is an integer number (61864344).

Almost surely, 2^478949712 is an apocalyptic number.

It is an amenable number.

478949712 is an abundant number, since it is smaller than the sum of its proper divisors (758337168).

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

478949712 is a wasteful number, since it uses less digits than its factorization.

478949712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9978130 (or 9978124 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 51.

The square root of 478949712 is about 21884.9197394005. The cubic root of 478949712 is about 782.4020364114.

The spelling of 478949712 in words is "four hundred seventy-eight million, nine hundred forty-nine thousand, seven hundred twelve".