768404 has 24 divisors (see below), whose sum is σ = 1655808. Its totient is φ = 303840.

The previous prime is 768401. The next prime is 768409. The reversal of 768404 is 404867.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692 + ... + 1419.

It is an arithmetic number, because the mean of its divisors is an integer number (68992).

2⁷⁶⁸⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

768404 is an abundant number, since it is smaller than the sum of its proper divisors (887404).

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

768404 is a wasteful number, since it uses less digits than its factorization.

768404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135 (or 2133 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 768404 is about 876.5865616127. The cubic root of 768404 is about 91.5931943864.

The spelling of 768404 in words is "seven hundred sixty-eight thousand, four hundred four".