479817420 has 24 divisors (see below), whose sum is σ = 1343488944. Its totient is φ = 127951296.

The previous prime is 479817409. The next prime is 479817451. The reversal of 479817420 is 24718974.

It is a happy number.

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, 3998419 + ... + 3998538.

It is an arithmetic number, because the mean of its divisors is an integer number (55978706).

Almost surely, 2^479817420 is an apocalyptic number.

It is an amenable number.

479817420 is an abundant number, since it is smaller than the sum of its proper divisors (863671524).

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

479817420 is a wasteful number, since it uses less digits than its factorization.

479817420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7996969 (or 7996967 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 479817420 is about 21904.7351045385. The cubic root of 479817420 is about 782.8742411253.

The spelling of 479817420 in words is "four hundred seventy-nine million, eight hundred seventeen thousand, four hundred twenty".