89990810 has 48 divisors (see below), whose sum is σ = 200486016. Its totient is φ = 28476864.

The previous prime is 89990807. The next prime is 89990819. The reversal of 89990810 is 1809998.

It is a super-2 number, since 2×89990810² = 16196691768912200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89990819) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8027 + ... + 15633.

It is an arithmetic number, because the mean of its divisors is an integer number (4176792).

Almost surely, 2^89990810 is an apocalyptic number.

89990810 is an abundant number, since it is smaller than the sum of its proper divisors (110495206).

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

89990810 is a wasteful number, since it uses less digits than its factorization.

89990810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7647 (or 7634 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 44.

The square root of 89990810 is about 9486.3486126117. The cubic root of 89990810 is about 448.1252207626.

The spelling of 89990810 in words is "eighty-nine million, nine hundred ninety thousand, eight hundred ten".