89641860 has 96 divisors (see below), whose sum is σ = 312947712. Its totient is φ = 18625920.

The previous prime is 89641847. The next prime is 89641897. The reversal of 89641860 is 6814698.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 5082 + ... + 14321.

It is an arithmetic number, because the mean of its divisors is an integer number (3259872).

Almost surely, 2^89641860 is an apocalyptic number.

It is an amenable number.

89641860 is an abundant number, since it is smaller than the sum of its proper divisors (223305852).

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

89641860 is a wasteful number, since it uses less digits than its factorization.

89641860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19433 (or 19431 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 89641860 is about 9467.9385295850. The cubic root of 89641860 is about 447.5452509821.

The spelling of 89641860 in words is "eighty-nine million, six hundred forty-one thousand, eight hundred sixty".