89520810 has 64 divisors (see below), whose sum is σ = 228707712. Its totient is φ = 22347776.

The previous prime is 89520791. The next prime is 89520811. The reversal of 89520810 is 1802598.

It is a happy number.

It is a super-2 number, since 2×89520810² = 16027950846112200, which contains 22 as substring.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (89520811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130729 + ... + 131411.

It is an arithmetic number, because the mean of its divisors is an integer number (3573558).

Almost surely, 2^89520810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89520810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114353856).

89520810 is an abundant number, since it is smaller than the sum of its proper divisors (139186902).

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

89520810 is a wasteful number, since it uses less digits than its factorization.

89520810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 89520810 is about 9461.5437429629. The cubic root of 89520810 is about 447.3437091407.

The spelling of 89520810 in words is "eighty-nine million, five hundred twenty thousand, eight hundred ten".