99842986 has 16 divisors (see below), whose sum is σ = 160322400. Its totient is φ = 46491408.

The previous prime is 99842957. The next prime is 99842987. The reversal of 99842986 is 68924899.

It is not an unprimeable number, because it can be changed into a prime (99842987) 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, 20025 + ... + 24508.

It is an arithmetic number, because the mean of its divisors is an integer number (10020150).

Almost surely, 2^99842986 is an apocalyptic number.

99842986 is a deficient number, since it is larger than the sum of its proper divisors (60479414).

99842986 is a wasteful number, since it uses less digits than its factorization.

99842986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44613.

The product of its digits is 2239488, while the sum is 55.

The square root of 99842986 is about 9992.1462159038. The cubic root of 99842986 is about 463.9158246284.

The spelling of 99842986 in words is "ninety-nine million, eight hundred forty-two thousand, nine hundred eighty-six".