768404936 has 32 divisors (see below), whose sum is σ = 1601644800. Its totient is φ = 343206720.

The previous prime is 768404921. The next prime is 768404939. The reversal of 768404936 is 639404867.

It is a super-2 number, since 2×768404936² = 1180892291338328192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (768404939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115946 + ... + 122393.

It is an arithmetic number, because the mean of its divisors is an integer number (50051400).

Almost surely, 2^768404936 is an apocalyptic number.

It is an amenable number.

768404936 is an abundant number, since it is smaller than the sum of its proper divisors (833239864).

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

768404936 is a wasteful number, since it uses less digits than its factorization.

768404936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238389 (or 238385 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 768404936 is about 27720.1178929672. The cubic root of 768404936 is about 915.9323157657.

The spelling of 768404936 in words is "seven hundred sixty-eight million, four hundred four thousand, nine hundred thirty-six".