479986820 has 24 divisors (see below), whose sum is σ = 1013257728. Its totient is φ = 190988000.

The previous prime is 479986817. The next prime is 479986831. The reversal of 479986820 is 28689974.

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, 59006 + ... + 66645.

It is an arithmetic number, because the mean of its divisors is an integer number (42219072).

Almost surely, 2^479986820 is an apocalyptic number.

It is an amenable number.

479986820 is an abundant number, since it is smaller than the sum of its proper divisors (533270908).

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

479986820 is a wasteful number, since it uses less digits than its factorization.

479986820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125851 (or 125849 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 479986820 is about 21908.6015071706. The cubic root of 479986820 is about 782.9663617855.

It can be divided in two parts, 4799 and 86820, that added together give a palindrome (91619).

The spelling of 479986820 in words is "four hundred seventy-nine million, nine hundred eighty-six thousand, eight hundred twenty".