89513920 has 28 divisors (see below), whose sum is σ = 213155784. Its totient is φ = 35805440.

The previous prime is 89513899. The next prime is 89513927. The reversal of 89513920 is 2931598.

It is a self number, because there is not a number n which added to its sum of digits gives 89513920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89513927) 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, 139546 + ... + 140185.

Almost surely, 2^89513920 is an apocalyptic number.

89513920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89513920 is an abundant number, since it is smaller than the sum of its proper divisors (123641864).

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

89513920 is a wasteful number, since it uses less digits than its factorization.

89513920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279748 (or 279738 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 89513920 is about 9461.1796304689. The cubic root of 89513920 is about 447.3322321919.

The spelling of 89513920 in words is "eighty-nine million, five hundred thirteen thousand, nine hundred twenty".