99584985 has 32 divisors (see below), whose sum is σ = 173520000. Its totient is φ = 48577536.

The previous prime is 99584983. The next prime is 99584993. The reversal of 99584985 is 58948599.

It is not a de Polignac number, because 99584985 - 2¹ = 99584983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (99584983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2241 + ... + 14289.

It is an arithmetic number, because the mean of its divisors is an integer number (5422500).

Almost surely, 2^99584985 is an apocalyptic number.

99584985 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

99584985 is a deficient number, since it is larger than the sum of its proper divisors (73935015).

99584985 is a wasteful number, since it uses less digits than its factorization.

99584985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12105.

The product of its digits is 4665600, while the sum is 57.

The square root of 99584985 is about 9979.2276755268. The cubic root of 99584985 is about 463.5158833605.

The spelling of 99584985 in words is "ninety-nine million, five hundred eighty-four thousand, nine hundred eighty-five".