768444 has 12 divisors (see below), whose sum is σ = 1793064. Its totient is φ = 256144.

The previous prime is 768437. The next prime is 768457. The reversal of 768444 is 444867.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×768444² = 1181012362272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

768444 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32007 + ... + 32030.

It is an arithmetic number, because the mean of its divisors is an integer number (149422).

2⁷⁶⁸⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

768444 is an abundant number, since it is smaller than the sum of its proper divisors (1024620).

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

768444 is a wasteful number, since it uses less digits than its factorization.

768444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64044 (or 64042 counting only the distinct ones).

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

The square root of 768444 is about 876.6093770888. The cubic root of 768444 is about 91.5947836824.

The spelling of 768444 in words is "seven hundred sixty-eight thousand, four hundred forty-four".