89393220 has 120 divisors (see below), whose sum is σ = 320531904. Its totient is φ = 20430144.

The previous prime is 89393207. The next prime is 89393237. The reversal of 89393220 is 2239398.

It is a super-2 number, since 2×89393220² = 15982295563936800, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7399 + ... + 15281.

Almost surely, 2^89393220 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 89393220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160265952).

89393220 is an abundant number, since it is smaller than the sum of its proper divisors (231138684).

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

89393220 is a wasteful number, since it uses less digits than its factorization.

89393220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7911 (or 7900 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 89393220 is about 9454.7987815712. The cubic root of 89393220 is about 447.1310817766.

The spelling of 89393220 in words is "eighty-nine million, three hundred ninety-three thousand, two hundred twenty".