89537240 has 64 divisors (see below), whose sum is σ = 218181600. Its totient is φ = 32873472.

The previous prime is 89537237. The next prime is 89537263. The reversal of 89537240 is 4273598.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 89537194 and 89537203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120791 + ... + 121529.

Almost surely, 2^89537240 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 89537240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109090800).

89537240 is an abundant number, since it is smaller than the sum of its proper divisors (128644360).

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

89537240 is a wasteful number, since it uses less digits than its factorization.

89537240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 992 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 89537240 is about 9462.4119546762. The cubic root of 89537240 is about 447.3710748729.

The spelling of 89537240 in words is "eighty-nine million, five hundred thirty-seven thousand, two hundred forty".