117932840 has 16 divisors (see below), whose sum is σ = 265348980. Its totient is φ = 47173120.

The previous prime is 117932833. The next prime is 117932849. The reversal of 117932840 is 48239711.

It can be written as a sum of positive squares in 2 ways, for example, as 117462244 + 470596 = 10838^2 + 686^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 117932840.

It is not an unprimeable number, because it can be changed into a prime (117932849) by changing a digit.

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, 1474121 + ... + 1474200.

Almost surely, 2^117932840 is an apocalyptic number.

117932840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117932840 is an abundant number, since it is smaller than the sum of its proper divisors (147416140).

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

117932840 is a wasteful number, since it uses less digits than its factorization.

117932840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948332 (or 2948328 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 117932840 is about 10859.6887616543. The cubic root of 117932840 is about 490.3937415540.

The spelling of 117932840 in words is "one hundred seventeen million, nine hundred thirty-two thousand, eight hundred forty".