100404099 has 12 divisors (see below), whose sum is σ = 145329912. Its totient is φ = 66796800.

The previous prime is 100404049. The next prime is 100404107. The reversal of 100404099 is 990404001.

It is not a de Polignac number, because 100404099 - 2⁸ = 100403843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100404019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6942 + ... + 15779.

It is an arithmetic number, because the mean of its divisors is an integer number (12110826).

Almost surely, 2^100404099 is an apocalyptic number.

100404099 is a deficient number, since it is larger than the sum of its proper divisors (44925813).

100404099 is a wasteful number, since it uses less digits than its factorization.

100404099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23218 (or 23215 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 100404099 is about 10020.1845791383. The cubic root of 100404099 is about 464.7832635457.

The spelling of 100404099 in words is "one hundred million, four hundred four thousand, ninety-nine".