89923668 has 12 divisors (see below), whose sum is σ = 209821920. Its totient is φ = 29974552.

The previous prime is 89923667. The next prime is 89923679. The reversal of 89923668 is 86632998.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 89923668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89923661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3746808 + ... + 3746831.

It is an arithmetic number, because the mean of its divisors is an integer number (17485160).

Almost surely, 2^89923668 is an apocalyptic number.

It is an amenable number.

89923668 is an abundant number, since it is smaller than the sum of its proper divisors (119898252).

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

89923668 is a wasteful number, since it uses less digits than its factorization.

89923668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7493646 (or 7493644 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 89923668 is about 9482.8090774833. The cubic root of 89923668 is about 448.0137445294.

The spelling of 89923668 in words is "eighty-nine million, nine hundred twenty-three thousand, six hundred sixty-eight".