999202104 has 24 divisors (see below), whose sum is σ = 2706172560. Its totient is φ = 333067344.

The previous prime is 999202097. The next prime is 999202117. The reversal of 999202104 is 401202999.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6938832 + ... + 6938975.

It is an arithmetic number, because the mean of its divisors is an integer number (112757190).

Almost surely, 2^999202104 is an apocalyptic number.

It is an amenable number.

999202104 is an abundant number, since it is smaller than the sum of its proper divisors (1706970456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999202104 is a wasteful number, since it uses less digits than its factorization.

999202104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13877819 (or 13877812 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 999202104 is about 31610.1582406669. The cubic root of 999202104 is about 999.7339638977.

The spelling of 999202104 in words is "nine hundred ninety-nine million, two hundred two thousand, one hundred four".