89849680 has 40 divisors (see below), whose sum is σ = 212031072. Its totient is φ = 35401344.

The previous prime is 89849671. The next prime is 89849699. The reversal of 89849680 is 8694898.

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

It is a super-2 number, since 2×89849680² = 16145929992204800, which contains 22 as substring.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3022 + ... + 13741.

Almost surely, 2^89849680 is an apocalyptic number.

89849680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89849680 is an abundant number, since it is smaller than the sum of its proper divisors (122181392).

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

89849680 is a wasteful number, since it uses less digits than its factorization.

89849680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16843 (or 16837 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 52.

The square root of 89849680 is about 9478.9071099995. The cubic root of 89849680 is about 447.8908375611.

The spelling of 89849680 in words is "eighty-nine million, eight hundred forty-nine thousand, six hundred eighty".