117849620 has 48 divisors (see below), whose sum is σ = 292602240. Its totient is φ = 39010944.

The previous prime is 117849587. The next prime is 117849637. The reversal of 117849620 is 26948711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10454 + ... + 18573.

It is an arithmetic number, because the mean of its divisors is an integer number (6095880).

Almost surely, 2^117849620 is an apocalyptic number.

117849620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117849620 is an abundant number, since it is smaller than the sum of its proper divisors (174752620).

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

117849620 is a wasteful number, since it uses less digits than its factorization.

117849620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29072 (or 29070 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 117849620 is about 10855.8564839445. The cubic root of 117849620 is about 490.2783646713.

Subtracting from 117849620 its reverse (26948711), we obtain a palindrome (90900909).

The spelling of 117849620 in words is "one hundred seventeen million, eight hundred forty-nine thousand, six hundred twenty".