89147320 has 64 divisors (see below), whose sum is σ = 219283200. Its totient is φ = 32471040.

The previous prime is 89147309. The next prime is 89147323. The reversal of 89147320 is 2374198.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89147323) 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, 18966 + ... + 23194.

It is an arithmetic number, because the mean of its divisors is an integer number (3426300).

Almost surely, 2^89147320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89147320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109641600).

89147320 is an abundant number, since it is smaller than the sum of its proper divisors (130135880).

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

89147320 is a wasteful number, since it uses less digits than its factorization.

89147320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288 (or 4284 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 89147320 is about 9441.7858480268. The cubic root of 89147320 is about 446.7207206680.

The spelling of 89147320 in words is "eighty-nine million, one hundred forty-seven thousand, three hundred twenty".