656794 has 4 divisors (see below), whose sum is σ = 985194. Its totient is φ = 328396.

The previous prime is 656791. The next prime is 656809. The reversal of 656794 is 497656.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 600625 + 56169 = 775^2 + 237^2 .

It is not an unprimeable number, because it can be changed into a prime (656791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164197 + ... + 164200.

2⁶⁵⁶⁷⁹⁴ is an apocalyptic number.

656794 is a deficient number, since it is larger than the sum of its proper divisors (328400).

656794 is a wasteful number, since it uses less digits than its factorization.

656794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328399.

The product of its digits is 45360, while the sum is 37.

The square root of 656794 is about 810.4282818362. The cubic root of 656794 is about 86.9246716616.

It can be divided in two parts, 65 and 6794, that added together give a cube (6859 = 19³).

The spelling of 656794 in words is "six hundred fifty-six thousand, seven hundred ninety-four".