764448 has 24 divisors (see below), whose sum is σ = 2006928. Its totient is φ = 254784.

The previous prime is 764447. The next prime is 764459. The reversal of 764448 is 844467.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (764447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3886 + ... + 4077.

It is an arithmetic number, because the mean of its divisors is an integer number (83622).

2⁷⁶⁴⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

764448 is an abundant number, since it is smaller than the sum of its proper divisors (1242480).

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

764448 is a wasteful number, since it uses less digits than its factorization.

764448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7976 (or 7968 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 764448 is about 874.3271698855. The cubic root of 764448 is about 91.4357397653.

The spelling of 764448 in words is "seven hundred sixty-four thousand, four hundred forty-eight".