100799491 has 8 divisors (see below), whose sum is σ = 108832304. Its totient is φ = 92806560.

The previous prime is 100799453. The next prime is 100799513. The reversal of 100799491 is 194997001.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100799491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100799431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4605 + ... + 14926.

It is an arithmetic number, because the mean of its divisors is an integer number (13604038).

Almost surely, 2^100799491 is an apocalyptic number.

100799491 is a deficient number, since it is larger than the sum of its proper divisors (8032813).

100799491 is a wasteful number, since it uses less digits than its factorization.

100799491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19941.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 100799491 is about 10039.8949695701. The cubic root of 100799491 is about 465.3925709382.

The spelling of 100799491 in words is "one hundred million, seven hundred ninety-nine thousand, four hundred ninety-one".