656093 has 4 divisors (see below), whose sum is σ = 661020. Its totient is φ = 651168.

The previous prime is 656077. The next prime is 656113. The reversal of 656093 is 390656.

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

It can be written as a sum of positive squares in 2 ways, for example, as 190969 + 465124 = 437^2 + 682^2 .

It is a cyclic number.

It is not a de Polignac number, because 656093 - 2⁴ = 656077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656023) 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, 2258 + ... + 2531.

It is an arithmetic number, because the mean of its divisors is an integer number (165255).

2⁶⁵⁶⁰⁹³ is an apocalyptic number.

It is an amenable number.

656093 is a deficient number, since it is larger than the sum of its proper divisors (4927).

656093 is a wasteful number, since it uses less digits than its factorization.

656093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4926.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 656093 is about 809.9956790008. The cubic root of 656093 is about 86.8937355862.

The spelling of 656093 in words is "six hundred fifty-six thousand, ninety-three".