99689376 has 48 divisors (see below), whose sum is σ = 262247328. Its totient is φ = 33158400.

The previous prime is 99689363. The next prime is 99689393. The reversal of 99689376 is 67398699.

It is a tau number, because it is divible by the number of its divisors (48).

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, 62671 + ... + 64241.

It is an arithmetic number, because the mean of its divisors is an integer number (5463486).

Almost surely, 2^99689376 is an apocalyptic number.

99689376 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

99689376 is an abundant number, since it is smaller than the sum of its proper divisors (162557952).

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

99689376 is a wasteful number, since it uses less digits than its factorization.

99689376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245 (or 2237 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 57.

The square root of 99689376 is about 9984.4567203228. The cubic root of 99689376 is about 463.6777885883.

The spelling of 99689376 in words is "ninety-nine million, six hundred eighty-nine thousand, three hundred seventy-six".