89662812 has 24 divisors (see below), whose sum is σ = 209367312. Its totient is φ = 29865600.

The previous prime is 89662787. The next prime is 89662813. The reversal of 89662812 is 21826698.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89662813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27762 + ... + 30822.

It is an arithmetic number, because the mean of its divisors is an integer number (8723638).

Almost surely, 2^89662812 is an apocalyptic number.

It is an amenable number.

89662812 is an abundant number, since it is smaller than the sum of its proper divisors (119704500).

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

89662812 is a wasteful number, since it uses less digits than its factorization.

89662812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5509 (or 5507 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 89662812 is about 9469.0449360007. The cubic root of 89662812 is about 447.5801165298.

The spelling of 89662812 in words is "eighty-nine million, six hundred sixty-two thousand, eight hundred twelve".