100373899 has 4 divisors (see below), whose sum is σ = 106278264. Its totient is φ = 94469536.

The previous prime is 100373893. The next prime is 100373947. The reversal of 100373899 is 998373001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100373899 - 2²³ = 91985291 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100373893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2952157 + ... + 2952190.

It is an arithmetic number, because the mean of its divisors is an integer number (26569566).

Almost surely, 2^100373899 is an apocalyptic number.

100373899 is a deficient number, since it is larger than the sum of its proper divisors (5904365).

100373899 is an equidigital number, since it uses as much as digits as its factorization.

100373899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5904364.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 100373899 is about 10018.6775075356. The cubic root of 100373899 is about 464.7366590005.

The spelling of 100373899 in words is "one hundred million, three hundred seventy-three thousand, eight hundred ninety-nine".