396308776 has 16 divisors (see below), whose sum is σ = 763162740. Its totient is φ = 192798720.

The previous prime is 396308767. The next prime is 396308797. The reversal of 396308776 is 677803693.

It can be written as a sum of positive squares in 2 ways, for example, as 360620100 + 35688676 = 18990^2 + 5974^2 .

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, 669145 + ... + 669736.

Almost surely, 2^396308776 is an apocalyptic number.

It is an amenable number.

396308776 is a deficient number, since it is larger than the sum of its proper divisors (366853964).

396308776 is a wasteful number, since it uses less digits than its factorization.

396308776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338924 (or 1338920 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 49.

The square root of 396308776 is about 19907.5055192759. The cubic root of 396308776 is about 734.5328612646.

The spelling of 396308776 in words is "three hundred ninety-six million, three hundred eight thousand, seven hundred seventy-six".