89538750 has 160 divisors (see below), whose sum is σ = 284908800. Its totient is φ = 20412000.

The previous prime is 89538731. The next prime is 89538751. The reversal of 89538750 is 5783598.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 89538696 and 89538705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89538751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 236061 + ... + 236439.

It is an arithmetic number, because the mean of its divisors is an integer number (1780680).

Almost surely, 2^89538750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89538750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142454400).

89538750 is an abundant number, since it is smaller than the sum of its proper divisors (195370050).

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

89538750 is a wasteful number, since it uses less digits than its factorization.

89538750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 89538750 is about 9462.4917437216. The cubic root of 89538750 is about 447.3735897539.

The spelling of 89538750 in words is "eighty-nine million, five hundred thirty-eight thousand, seven hundred fifty".