8901680 has 20 divisors (see below), whose sum is σ = 20696592. Its totient is φ = 3560640.

The previous prime is 8901679. The next prime is 8901689. The reversal of 8901680 is 861098.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (8901689) 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, 55556 + ... + 55715.

Almost surely, 2^8901680 is an apocalyptic number.

8901680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8901680 is an abundant number, since it is smaller than the sum of its proper divisors (11794912).

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

8901680 is a wasteful number, since it uses less digits than its factorization.

8901680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111284 (or 111278 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 8901680 is about 2983.5683333887. The cubic root of 8901680 is about 207.2481484981.

The spelling of 8901680 in words is "eight million, nine hundred one thousand, six hundred eighty".