100998807 has 16 divisors (see below), whose sum is σ = 165742080. Its totient is φ = 53273952.

The previous prime is 100998763. The next prime is 100998809. The reversal of 100998807 is 708899001.

It is not a de Polignac number, because 100998807 - 2⁷ = 100998679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100998809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184707 + ... + 185252.

It is an arithmetic number, because the mean of its divisors is an integer number (10358880).

Almost surely, 2^100998807 is an apocalyptic number.

100998807 is a deficient number, since it is larger than the sum of its proper divisors (64743273).

100998807 is a wasteful number, since it uses less digits than its factorization.

100998807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369982.

The product of its (nonzero) digits is 36288, while the sum is 42.

The square root of 100998807 is about 10049.8162669772. The cubic root of 100998807 is about 465.6991171717.

The spelling of 100998807 in words is "one hundred million, nine hundred ninety-eight thousand, eight hundred seven".