89785632 has 48 divisors (see below), whose sum is σ = 236325600. Its totient is φ = 29847552.

The previous prime is 89785607. The next prime is 89785639. The reversal of 89785632 is 23658798.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×89785632² = 16122919427278848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (89785639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42063 + ... + 44145.

It is an arithmetic number, because the mean of its divisors is an integer number (4923450).

Almost surely, 2^89785632 is an apocalyptic number.

It is an amenable number.

89785632 is an abundant number, since it is smaller than the sum of its proper divisors (146539968).

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

89785632 is a wasteful number, since it uses less digits than its factorization.

89785632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545 (or 2537 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 89785632 is about 9475.5280591638. The cubic root of 89785632 is about 447.7843881695.

The spelling of 89785632 in words is "eighty-nine million, seven hundred eighty-five thousand, six hundred thirty-two".