89487994 has 16 divisors (see below), whose sum is σ = 138047616. Its totient is φ = 43480800.

The previous prime is 89487911. The next prime is 89488001. The reversal of 89487994 is 49978498.

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, 20209 + ... + 24235.

It is an arithmetic number, because the mean of its divisors is an integer number (8627976).

Almost surely, 2^89487994 is an apocalyptic number.

89487994 is a deficient number, since it is larger than the sum of its proper divisors (48559622).

89487994 is a wasteful number, since it uses less digits than its factorization.

89487994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341.

The product of its digits is 5225472, while the sum is 58.

The square root of 89487994 is about 9459.8094061138. The cubic root of 89487994 is about 447.2890409382.

It can be divided in two parts, 894 and 87994, that added together give a palindrome (88888).

The spelling of 89487994 in words is "eighty-nine million, four hundred eighty-seven thousand, nine hundred ninety-four".