100998986 has 16 divisors (see below), whose sum is σ = 165518208. Its totient is φ = 45840000.

The previous prime is 100998983. The next prime is 100999001. The reversal of 100998986 is 689899001.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100998983) 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, 13466 + ... + 19578.

It is an arithmetic number, because the mean of its divisors is an integer number (10344888).

Almost surely, 2^100998986 is an apocalyptic number.

100998986 is a deficient number, since it is larger than the sum of its proper divisors (64519222).

100998986 is a wasteful number, since it uses less digits than its factorization.

100998986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6877.

The product of its (nonzero) digits is 279936, while the sum is 50.

The square root of 100998986 is about 10049.8251726087. The cubic root of 100998986 is about 465.6993922908.

The spelling of 100998986 in words is "one hundred million, nine hundred ninety-eight thousand, nine hundred eighty-six".