479993408 has 28 divisors (see below), whose sum is σ = 953559180. Its totient is φ = 239726592.

The previous prime is 479993401. The next prime is 479993461. The reversal of 479993408 is 804399974.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 78712384 + 401281024 = 8872^2 + 20032^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 479993408.

It is not an unprimeable number, because it can be changed into a prime (479993401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60860 + ... + 68292.

It is an arithmetic number, because the mean of its divisors is an integer number (34055685).

Almost surely, 2^479993408 is an apocalyptic number.

It is an amenable number.

479993408 is a deficient number, since it is larger than the sum of its proper divisors (473565772).

479993408 is a wasteful number, since it uses less digits than its factorization.

479993408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8454 (or 8444 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 479993408 is about 21908.7518585610. The cubic root of 479993408 is about 782.9699439385.

The spelling of 479993408 in words is "four hundred seventy-nine million, nine hundred ninety-three thousand, four hundred eight".