475986836 has 12 divisors (see below), whose sum is σ = 897052212. Its totient is φ = 219686208.

The previous prime is 475986821. The next prime is 475986871. The reversal of 475986836 is 638689574.

It can be written as a sum of positive squares in 2 ways, for example, as 239011600 + 236975236 = 15460^2 + 15394^2 .

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, 4576745 + ... + 4576848.

It is an arithmetic number, because the mean of its divisors is an integer number (74754351).

Almost surely, 2^475986836 is an apocalyptic number.

It is an amenable number.

475986836 is a deficient number, since it is larger than the sum of its proper divisors (421065376).

475986836 is a wasteful number, since it uses less digits than its factorization.

475986836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9153610 (or 9153608 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 56.

The square root of 475986836 is about 21817.1225417102. The cubic root of 475986836 is about 780.7853343855.

The spelling of 475986836 in words is "four hundred seventy-five million, nine hundred eighty-six thousand, eight hundred thirty-six".