89240320 has 144 divisors (see below), whose sum is σ = 239000832. Its totient is φ = 31703040.

The previous prime is 89240317. The next prime is 89240323. The reversal of 89240320 is 2304298.

It is an interprime number because it is at equal distance from previous prime (89240317) and next prime (89240323).

It is not an unprimeable number, because it can be changed into a prime (89240323) 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, 515754 + ... + 515926.

It is an arithmetic number, because the mean of its divisors is an integer number (1659728).

Almost surely, 2^89240320 is an apocalyptic number.

89240320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89240320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119500416).

89240320 is an abundant number, since it is smaller than the sum of its proper divisors (149760512).

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

89240320 is a wasteful number, since it uses less digits than its factorization.

89240320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 89240320 is about 9446.7094800253. The cubic root of 89240320 is about 446.8760088979.

The spelling of 89240320 in words is "eighty-nine million, two hundred forty thousand, three hundred twenty".