117344890 has 16 divisors (see below), whose sum is σ = 227468808. Its totient is φ = 43327296.

The previous prime is 117344881. The next prime is 117344891. The reversal of 117344890 is 98443711.

It can be written as a sum of positive squares in 4 ways, for example, as 73427761 + 43917129 = 8569^2 + 6627^2 .

It is a super-2 number, since 2×117344890² = 27539646418224200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117344891) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 451197 + ... + 451456.

Almost surely, 2^117344890 is an apocalyptic number.

117344890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117344890 is a deficient number, since it is larger than the sum of its proper divisors (110123918).

117344890 is a wasteful number, since it uses less digits than its factorization.

117344890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902673.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 117344890 is about 10832.5846407956. The cubic root of 117344890 is about 489.5774366132.

The spelling of 117344890 in words is "one hundred seventeen million, three hundred forty-four thousand, eight hundred ninety".