89436220 has 12 divisors (see below), whose sum is σ = 187816104. Its totient is φ = 35774480.

The previous prime is 89436181. The next prime is 89436229. The reversal of 89436220 is 2263498.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89436229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2235886 + ... + 2235925.

It is an arithmetic number, because the mean of its divisors is an integer number (15651342).

Almost surely, 2^89436220 is an apocalyptic number.

It is an amenable number.

89436220 is an abundant number, since it is smaller than the sum of its proper divisors (98379884).

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

89436220 is a wasteful number, since it uses less digits than its factorization.

89436220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471820 (or 4471818 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 89436220 is about 9457.0724857114. The cubic root of 89436220 is about 447.2027634043.

The spelling of 89436220 in words is "eighty-nine million, four hundred thirty-six thousand, two hundred twenty".