89361720 has 96 divisors (see below), whose sum is σ = 331924320. Its totient is φ = 20424960.

The previous prime is 89361689. The next prime is 89361737. The reversal of 89361720 is 2716398.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 15211 + ... + 20250.

It is an arithmetic number, because the mean of its divisors is an integer number (3457545).

Almost surely, 2^89361720 is an apocalyptic number.

It is an amenable number.

89361720 is an abundant number, since it is smaller than the sum of its proper divisors (242562600).

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

89361720 is a wasteful number, since it uses less digits than its factorization.

89361720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35485 (or 35478 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 89361720 is about 9453.1328140464. The cubic root of 89361720 is about 447.0785562280.

The spelling of 89361720 in words is "eighty-nine million, three hundred sixty-one thousand, seven hundred twenty".