89535240 has 64 divisors (see below), whose sum is σ = 298454400. Its totient is φ = 23875776.

The previous prime is 89535221. The next prime is 89535241. The reversal of 89535240 is 4253598.

89535240 is a `hidden beast` number, since 89 + 53 + 524 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 89535195 and 89535204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89535241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40372 + ... + 42531.

It is an arithmetic number, because the mean of its divisors is an integer number (4663350).

Almost surely, 2^89535240 is an apocalyptic number.

It is an amenable number.

89535240 is an abundant number, since it is smaller than the sum of its proper divisors (208919160).

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

89535240 is a wasteful number, since it uses less digits than its factorization.

89535240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82923 (or 82913 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 89535240 is about 9462.3062727857. The cubic root of 89535240 is about 447.3677438611.

The spelling of 89535240 in words is "eighty-nine million, five hundred thirty-five thousand, two hundred forty".