76398408 has 48 divisors (see below), whose sum is σ = 219087180. Its totient is φ = 23967744.

The previous prime is 76398403. The next prime is 76398419. The reversal of 76398408 is 80489367.

It is a happy number.

76398408 is a `hidden beast` number, since 7 + 639 + 8 + 4 + 0 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 73307844 + 3090564 = 8562^2 + 1758^2 .

It is not an unprimeable number, because it can be changed into a prime (76398403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29985 + ... + 32432.

Almost surely, 2^76398408 is an apocalyptic number.

It is an amenable number.

76398408 is an abundant number, since it is smaller than the sum of its proper divisors (142688772).

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

76398408 is a wasteful number, since it uses less digits than its factorization.

76398408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62446 (or 62439 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 76398408 is about 8740.6182847668. The cubic root of 76398408 is about 424.3212381041.

The spelling of 76398408 in words is "seventy-six million, three hundred ninety-eight thousand, four hundred eight".