368776404 has 72 divisors (see below), whose sum is σ = 946731240. Its totient is φ = 121024512.

The previous prime is 368776391. The next prime is 368776409. The reversal of 368776404 is 404677863.

It can be written as a sum of positive squares in 4 ways, for example, as 35640900 + 333135504 = 5970^2 + 18252^2 .

It is a super-2 number, since 2×368776404² = 271992072294342432, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 368776404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368776409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1094124 + ... + 1094460.

It is an arithmetic number, because the mean of its divisors is an integer number (13149045).

Almost surely, 2^368776404 is an apocalyptic number.

It is an amenable number.

368776404 is an abundant number, since it is smaller than the sum of its proper divisors (577954836).

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

368776404 is a wasteful number, since it uses less digits than its factorization.

368776404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 368776404 is about 19203.5518589661. The cubic root of 368776404 is about 717.1131862653.

The spelling of 368776404 in words is "three hundred sixty-eight million, seven hundred seventy-six thousand, four hundred four".