117905492 has 12 divisors (see below), whose sum is σ = 206470740. Its totient is φ = 58913856.

The previous prime is 117905483. The next prime is 117905519. The reversal of 117905492 is 294509711.

It can be written as a sum of positive squares in 2 ways, for example, as 84566416 + 33339076 = 9196^2 + 5774^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2267 + ... + 15522.

It is an arithmetic number, because the mean of its divisors is an integer number (17205895).

Almost surely, 2^117905492 is an apocalyptic number.

It is an amenable number.

117905492 is a deficient number, since it is larger than the sum of its proper divisors (88565248).

117905492 is a wasteful number, since it uses less digits than its factorization.

117905492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19450 (or 19448 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 117905492 is about 10858.4295365398. The cubic root of 117905492 is about 490.3558320544.

The spelling of 117905492 in words is "one hundred seventeen million, nine hundred five thousand, four hundred ninety-two".