790644 has 24 divisors (see below), whose sum is σ = 1891008. Its totient is φ = 256960.

The previous prime is 790637. The next prime is 790649. The reversal of 790644 is 446097.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (790649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312 + ... + 1295.

It is an arithmetic number, because the mean of its divisors is an integer number (78792).

2⁷⁹⁰⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

790644 is an abundant number, since it is smaller than the sum of its proper divisors (1100364).

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

790644 is a wasteful number, since it uses less digits than its factorization.

790644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655 (or 1653 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 790644 is about 889.1816462343. The cubic root of 790644 is about 92.4684674600.

The spelling of 790644 in words is "seven hundred ninety thousand, six hundred forty-four".