479189856 has 24 divisors (see below), whose sum is σ = 1257873624. Its totient is φ = 159729920.

The previous prime is 479189839. The next prime is 479189869. The reversal of 479189856 is 658981974.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 479189796 and 479189805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2495685 + ... + 2495876.

It is an arithmetic number, because the mean of its divisors is an integer number (52411401).

Almost surely, 2^479189856 is an apocalyptic number.

It is an amenable number.

479189856 is an abundant number, since it is smaller than the sum of its proper divisors (778683768).

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

479189856 is a wasteful number, since it uses less digits than its factorization.

479189856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4991574 (or 4991566 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 57.

The square root of 479189856 is about 21890.4055695640. The cubic root of 479189856 is about 782.5327792683.

The spelling of 479189856 in words is "four hundred seventy-nine million, one hundred eighty-nine thousand, eight hundred fifty-six".