89681624 has 8 divisors (see below), whose sum is σ = 168153060. Its totient is φ = 44840808.

The previous prime is 89681611. The next prime is 89681629. The reversal of 89681624 is 42618698.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89681629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605094 + ... + 5605109.

Almost surely, 2^89681624 is an apocalyptic number.

It is an amenable number.

89681624 is a deficient number, since it is larger than the sum of its proper divisors (78471436).

89681624 is a wasteful number, since it uses less digits than its factorization.

89681624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11210209 (or 11210205 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 89681624 is about 9470.0382258996. The cubic root of 89681624 is about 447.6114163451.

The spelling of 89681624 in words is "eighty-nine million, six hundred eighty-one thousand, six hundred twenty-four".