403776868 has 24 divisors (see below), whose sum is σ = 804363840. Its totient is φ = 175554720.

The previous prime is 403776827. The next prime is 403776881. The reversal of 403776868 is 868677304.

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, 198483 + ... + 200506.

It is an arithmetic number, because the mean of its divisors is an integer number (33515160).

Almost surely, 2^403776868 is an apocalyptic number.

It is an amenable number.

403776868 is a deficient number, since it is larger than the sum of its proper divisors (400586972).

403776868 is a wasteful number, since it uses less digits than its factorization.

403776868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399027 (or 399025 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 49.

The square root of 403776868 is about 20094.1998596610. The cubic root of 403776868 is about 739.1180557054.

The spelling of 403776868 in words is "four hundred three million, seven hundred seventy-six thousand, eight hundred sixty-eight".