656379 has 6 divisors (see below), whose sum is σ = 948116. Its totient is φ = 437580.

The previous prime is 656377. The next prime is 656389. The reversal of 656379 is 973656.

It is a happy number.

It is not a de Polignac number, because 656379 - 2¹ = 656377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (656371) 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 5 ways as a sum of consecutive naturals, for example, 36457 + ... + 36474.

2⁶⁵⁶³⁷⁹ is an apocalyptic number.

656379 is a deficient number, since it is larger than the sum of its proper divisors (291737).

656379 is a wasteful number, since it uses less digits than its factorization.

656379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72937 (or 72934 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 656379 is about 810.1722039172. The cubic root of 656379 is about 86.9063598118.

It can be divided in two parts, 656 and 379, that added together give a triangular number (1035 = T₄₅).

The spelling of 656379 in words is "six hundred fifty-six thousand, three hundred seventy-nine".