117904206 has 32 divisors (see below), whose sum is σ = 270079488. Its totient is φ = 33613920.

The previous prime is 117904201. The next prime is 117904229. The reversal of 117904206 is 602409711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117904201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18336 + ... + 23916.

It is an arithmetic number, because the mean of its divisors is an integer number (8439984).

Almost surely, 2^117904206 is an apocalyptic number.

117904206 is an abundant number, since it is smaller than the sum of its proper divisors (152175282).

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

117904206 is a wasteful number, since it uses less digits than its factorization.

117904206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6096.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 117904206 is about 10858.3703197119. The cubic root of 117904206 is about 490.3540492709.

The spelling of 117904206 in words is "one hundred seventeen million, nine hundred four thousand, two hundred six".