89963920 has 40 divisors (see below), whose sum is σ = 210254400. Its totient is φ = 35798400.

The previous prime is 89963899. The next prime is 89963921. The reversal of 89963920 is 2936998.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (89963921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13095 + ... + 18745.

It is an arithmetic number, because the mean of its divisors is an integer number (5256360).

Almost surely, 2^89963920 is an apocalyptic number.

89963920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89963920 is an abundant number, since it is smaller than the sum of its proper divisors (120290480).

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

89963920 is a wasteful number, since it uses less digits than its factorization.

89963920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5863 (or 5857 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 89963920 is about 9484.9312069197. The cubic root of 89963920 is about 448.0805818059.

The spelling of 89963920 in words is "eighty-nine million, nine hundred sixty-three thousand, nine hundred twenty".