89970966 has 32 divisors (see below), whose sum is σ = 210460800. Its totient is φ = 28411560.

The previous prime is 89970941. The next prime is 89970977. The reversal of 89970966 is 66907998.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 42820 + ... + 44871.

It is an arithmetic number, because the mean of its divisors is an integer number (6576900).

Almost surely, 2^89970966 is an apocalyptic number.

89970966 is an abundant number, since it is smaller than the sum of its proper divisors (120489834).

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

89970966 is a wasteful number, since it uses less digits than its factorization.

89970966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87721 (or 87715 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 89970966 is about 9485.3026309127. The cubic root of 89970966 is about 448.0922794337.

The spelling of 89970966 in words is "eighty-nine million, nine hundred seventy thousand, nine hundred sixty-six".