89130440 has 32 divisors (see below), whose sum is σ = 229193280. Its totient is φ = 30558912.

The previous prime is 89130421. The next prime is 89130449. The reversal of 89130440 is 4403198.

It is not an unprimeable number, because it can be changed into a prime (89130449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158882 + ... + 159441.

It is an arithmetic number, because the mean of its divisors is an integer number (7162290).

Almost surely, 2^89130440 is an apocalyptic number.

It is an amenable number.

89130440 is an abundant number, since it is smaller than the sum of its proper divisors (140062840).

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

89130440 is a wasteful number, since it uses less digits than its factorization.

89130440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318341 (or 318337 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 89130440 is about 9440.8919070181. The cubic root of 89130440 is about 446.6925234407.

The spelling of 89130440 in words is "eighty-nine million, one hundred thirty thousand, four hundred forty".