89039556 has 18 divisors (see below), whose sum is σ = 225072302. Its totient is φ = 29679840.

The previous prime is 89039537. The next prime is 89039563. The reversal of 89039556 is 65593098.

89039556 is a `hidden beast` number, since 8 + 90 + 3 + 9 + 556 = 666.

It can be written as a sum of positive squares in only one way, i.e., 88059456 + 980100 = 9384^2 + 990^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1236625 + ... + 1236696.

Almost surely, 2^89039556 is an apocalyptic number.

It is an amenable number.

89039556 is an abundant number, since it is smaller than the sum of its proper divisors (136032746).

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

89039556 is a wasteful number, since it uses less digits than its factorization.

89039556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473331 (or 2473326 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 89039556 is about 9436.0773629724. The cubic root of 89039556 is about 446.5406448765.

The spelling of 89039556 in words is "eighty-nine million, thirty-nine thousand, five hundred fifty-six".