99104861 has 16 divisors (see below), whose sum is σ = 110453760. Its totient is φ = 88556160.

The previous prime is 99104851. The next prime is 99104867. The reversal of 99104861 is 16840199.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99104861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99104867) 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, 18281 + ... + 23073.

It is an arithmetic number, because the mean of its divisors is an integer number (6903360).

Almost surely, 2^99104861 is an apocalyptic number.

It is an amenable number.

99104861 is a deficient number, since it is larger than the sum of its proper divisors (11348899).

99104861 is a wasteful number, since it uses less digits than its factorization.

99104861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4876.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 99104861 is about 9955.1424399654. The cubic root of 99104861 is about 462.7697745320.

The spelling of 99104861 in words is "ninety-nine million, one hundred four thousand, eight hundred sixty-one".