117984650 has 36 divisors (see below), whose sum is σ = 255285558. Its totient is φ = 40451040.

The previous prime is 117984649. The next prime is 117984653. The reversal of 117984650 is 56489711.

It can be written as a sum of positive squares in 3 ways, for example, as 113060689 + 4923961 = 10633^2 + 2219^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 117984598 and 117984607.

It is not an unprimeable number, because it can be changed into a prime (117984653) 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 17 ways as a sum of consecutive naturals, for example, 21629 + ... + 26528.

Almost surely, 2^117984650 is an apocalyptic number.

117984650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117984650 is an abundant number, since it is smaller than the sum of its proper divisors (137300908).

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

117984650 is a wasteful number, since it uses less digits than its factorization.

117984650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48183 (or 48171 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 117984650 is about 10862.0739272019. The cubic root of 117984650 is about 490.4655439460.

The spelling of 117984650 in words is "one hundred seventeen million, nine hundred eighty-four thousand, six hundred fifty".