89190612 has 48 divisors (see below), whose sum is σ = 264270720. Its totient is φ = 25482816.

The previous prime is 89190611. The next prime is 89190637. The reversal of 89190612 is 21609198.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89190611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58233 + ... + 59744.

It is an arithmetic number, because the mean of its divisors is an integer number (5505640).

Almost surely, 2^89190612 is an apocalyptic number.

It is an amenable number.

89190612 is an abundant number, since it is smaller than the sum of its proper divisors (175080108).

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

89190612 is a wasteful number, since it uses less digits than its factorization.

89190612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117997 (or 117989 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 89190612 is about 9444.0781445306. The cubic root of 89190612 is about 446.7930216029.

The spelling of 89190612 in words is "eighty-nine million, one hundred ninety thousand, six hundred twelve".