117285432 has 64 divisors (see below), whose sum is σ = 325157760. Its totient is φ = 34953600.

The previous prime is 117285409. The next prime is 117285457. The reversal of 117285432 is 234582711.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 117285393 and 117285402.

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, 12463 + ... + 19745.

It is an arithmetic number, because the mean of its divisors is an integer number (5080590).

Almost surely, 2^117285432 is an apocalyptic number.

117285432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117285432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162578880).

117285432 is an abundant number, since it is smaller than the sum of its proper divisors (207872328).

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

117285432 is a wasteful number, since it uses less digits than its factorization.

117285432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7364 (or 7360 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 117285432 is about 10829.8398880131. The cubic root of 117285432 is about 489.4947339263.

The spelling of 117285432 in words is "one hundred seventeen million, two hundred eighty-five thousand, four hundred thirty-two".