104989899 has 16 divisors (see below), whose sum is σ = 163251200. Its totient is φ = 59993640.

The previous prime is 104989879. The next prime is 104989919. The reversal of 104989899 is 998989401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (104989879) and next prime (104989919).

It is not a de Polignac number, because 104989899 - 2⁵ = 104989867 is a prime.

It is a super-2 number, since 2×104989899² = 22045757784060402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104989879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49987 + ... + 52044.

It is an arithmetic number, because the mean of its divisors is an integer number (10203200).

Almost surely, 2^104989899 is an apocalyptic number.

104989899 is a deficient number, since it is larger than the sum of its proper divisors (58261301).

104989899 is an equidigital number, since it uses as much as digits as its factorization.

104989899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102055 (or 102041 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 57.

The square root of 104989899 is about 10246.4578757735. The cubic root of 104989899 is about 471.7542694745.

The spelling of 104989899 in words is "one hundred four million, nine hundred eighty-nine thousand, eight hundred ninety-nine".