89656028 has 48 divisors (see below), whose sum is σ = 207131904. Its totient is φ = 32874240.

The previous prime is 89656009. The next prime is 89656037. The reversal of 89656028 is 82065698.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a self number, because there is not a number n which added to its sum of digits gives 89656028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3326 + ... + 13797.

It is an arithmetic number, because the mean of its divisors is an integer number (4315248).

Almost surely, 2^89656028 is an apocalyptic number.

It is an amenable number.

89656028 is an abundant number, since it is smaller than the sum of its proper divisors (117475876).

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

89656028 is a wasteful number, since it uses less digits than its factorization.

89656028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17162 (or 17160 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 89656028 is about 9468.6867093594. The cubic root of 89656028 is about 447.5688280887.

The spelling of 89656028 in words is "eighty-nine million, six hundred fifty-six thousand, twenty-eight".