89671020 has 96 divisors (see below), whose sum is σ = 264176640. Its totient is φ = 22682880.

The previous prime is 89671009. The next prime is 89671033. The reversal of 89671020 is 2017698.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249601 + ... + 249959.

It is an arithmetic number, because the mean of its divisors is an integer number (2751840).

Almost surely, 2^89671020 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 89671020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132088320).

89671020 is an abundant number, since it is smaller than the sum of its proper divisors (174505620).

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

89671020 is a wasteful number, since it uses less digits than its factorization.

89671020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 89671020 is about 9469.4783383247. The cubic root of 89671020 is about 447.5937737172.

The spelling of 89671020 in words is "eighty-nine million, six hundred seventy-one thousand, twenty".