89656 has 16 divisors (see below), whose sum is σ = 192240. Its totient is φ = 38400.

The previous prime is 89653. The next prime is 89657. The reversal of 89656 is 65698.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89653) 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, 745 + ... + 856.

It is an arithmetic number, because the mean of its divisors is an integer number (12015).

2⁸⁹⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

89656 is an abundant number, since it is smaller than the sum of its proper divisors (102584).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96120).

89656 is a wasteful number, since it uses less digits than its factorization.

89656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614 (or 1610 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 89656 is about 299.4261177653. The cubic root of 89656 is about 44.7568781496.

It can be divided in two parts, 896 and 56, that multiplied together give a square (50176 = 224²).

The spelling of 89656 in words is "eighty-nine thousand, six hundred fifty-six".