89302728 has 16 divisors (see below), whose sum is σ = 223256880. Its totient is φ = 29767568.

The previous prime is 89302709. The next prime is 89302739. The reversal of 89302728 is 82720398.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1860450 + ... + 1860497.

It is an arithmetic number, because the mean of its divisors is an integer number (13953555).

Almost surely, 2^89302728 is an apocalyptic number.

It is an amenable number.

89302728 is an abundant number, since it is smaller than the sum of its proper divisors (133954152).

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

89302728 is a wasteful number, since it uses less digits than its factorization.

89302728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720956 (or 3720952 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 89302728 is about 9450.0120634844. The cubic root of 89302728 is about 446.9801551680.

The spelling of 89302728 in words is "eighty-nine million, three hundred two thousand, seven hundred twenty-eight".