99307985 has 8 divisors (see below), whose sum is σ = 136193856. Its totient is φ = 68096880.

The previous prime is 99307961. The next prime is 99307987. The reversal of 99307985 is 58970399.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99307985 - 2¹⁶ = 99242449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99307987) 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, 1418651 + ... + 1418720.

It is an arithmetic number, because the mean of its divisors is an integer number (17024232).

Almost surely, 2^99307985 is an apocalyptic number.

It is an amenable number.

99307985 is a deficient number, since it is larger than the sum of its proper divisors (36885871).

99307985 is a wasteful number, since it uses less digits than its factorization.

99307985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837383.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 99307985 is about 9965.3391813826. The cubic root of 99307985 is about 463.0857210276.

The spelling of 99307985 in words is "ninety-nine million, three hundred seven thousand, nine hundred eighty-five".