89446140 has 96 divisors (see below), whose sum is σ = 318044160. Its totient is φ = 20443968.

The previous prime is 89446117. The next prime is 89446151. The reversal of 89446140 is 4164498.

It is a happy number.

It is a super-2 number, since 2×89446140² = 16001223921799200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 89446095 and 89446104.

It is a congruent number.

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, 8052 + ... + 15611.

It is an arithmetic number, because the mean of its divisors is an integer number (3312960).

Almost surely, 2^89446140 is an apocalyptic number.

It is an amenable number.

89446140 is an abundant number, since it is smaller than the sum of its proper divisors (228598020).

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

89446140 is a wasteful number, since it uses less digits than its factorization.

89446140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23688 (or 23680 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 89446140 is about 9457.5969463707. The cubic root of 89446140 is about 447.2192969273.

The spelling of 89446140 in words is "eighty-nine million, four hundred forty-six thousand, one hundred forty".