89141520 has 80 divisors (see below), whose sum is σ = 297605952. Its totient is φ = 21941760.

The previous prime is 89141509. The next prime is 89141527. The reversal of 89141520 is 2514198.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (89141527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11166 + ... + 17405.

Almost surely, 2^89141520 is an apocalyptic number.

89141520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89141520 is an abundant number, since it is smaller than the sum of its proper divisors (208464432).

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

89141520 is a wasteful number, since it uses less digits than its factorization.

89141520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28600 (or 28594 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 89141520 is about 9441.4786977464. The cubic root of 89141520 is about 446.7110324487.

The spelling of 89141520 in words is "eighty-nine million, one hundred forty-one thousand, five hundred twenty".