189656 has 16 divisors (see below), whose sum is σ = 360240. Its totient is φ = 93600.

The previous prime is 189653. The next prime is 189661. The reversal of 189656 is 656981.

189656 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189653) 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, 1130 + ... + 1286.

It is an arithmetic number, because the mean of its divisors is an integer number (22515).

2¹⁸⁹⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

189656 is a deficient number, since it is larger than the sum of its proper divisors (170584).

189656 is a wasteful number, since it uses less digits than its factorization.

189656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 310 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 189656 is about 435.4951205238. The cubic root of 189656 is about 57.4542547314.

The spelling of 189656 in words is "one hundred eighty-nine thousand, six hundred fifty-six".