408879862 has 16 divisors (see below), whose sum is σ = 636189840. Its totient is φ = 196947072.

The previous prime is 408879857. The next prime is 408879899. The reversal of 408879862 is 268978804.

It is a congruent 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, 26287 + ... + 38842.

It is an arithmetic number, because the mean of its divisors is an integer number (39761865).

Almost surely, 2^408879862 is an apocalyptic number.

408879862 is a deficient number, since it is larger than the sum of its proper divisors (227309978).

408879862 is a wasteful number, since it uses less digits than its factorization.

408879862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65247.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The square root of 408879862 is about 20220.7779771205. Note that the first 3 decimals coincide. The cubic root of 408879862 is about 742.2187257041.

The spelling of 408879862 in words is "four hundred eight million, eight hundred seventy-nine thousand, eight hundred sixty-two".