89029980 has 72 divisors (see below), whose sum is σ = 290838912. Its totient is φ = 21914496.

The previous prime is 89029961. The next prime is 89030017. The reversal of 89029980 is 8992098.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16684 + ... + 21363.

Almost surely, 2^89029980 is an apocalyptic number.

It is an amenable number.

89029980 is an abundant number, since it is smaller than the sum of its proper divisors (201808932).

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

89029980 is a wasteful number, since it uses less digits than its factorization.

89029980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38075 (or 38070 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 89029980 is about 9435.5699350914. The cubic root of 89029980 is about 446.5246361619.

It can be divided in two parts, 89029 and 980, that added together give a palindrome (90009).

The spelling of 89029980 in words is "eighty-nine million, twenty-nine thousand, nine hundred eighty".