89421976 has 32 divisors (see below), whose sum is σ = 199952640. Its totient is φ = 36656928.

The previous prime is 89421947. The next prime is 89421991. The reversal of 89421976 is 67912498.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33426 + ... + 36001.

It is an arithmetic number, because the mean of its divisors is an integer number (6248520).

Almost surely, 2^89421976 is an apocalyptic number.

It is an amenable number.

89421976 is an abundant number, since it is smaller than the sum of its proper divisors (110530664).

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

89421976 is a wasteful number, since it uses less digits than its factorization.

89421976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69463 (or 69459 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 89421976 is about 9456.3193685493. The cubic root of 89421976 is about 447.1790209937.

The spelling of 89421976 in words is "eighty-nine million, four hundred twenty-one thousand, nine hundred seventy-six".