117646928 has 40 divisors (see below), whose sum is σ = 262965312. Its totient is φ = 49943808.

The previous prime is 117646927. The next prime is 117646933. The reversal of 117646928 is 829646711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117646927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7076 + ... + 16892.

Almost surely, 2^117646928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117646928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131482656).

117646928 is an abundant number, since it is smaller than the sum of its proper divisors (145318384).

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

117646928 is a wasteful number, since it uses less digits than its factorization.

117646928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9939 (or 9933 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 117646928 is about 10846.5168602644. The cubic root of 117646928 is about 489.9971234039.

The spelling of 117646928 in words is "one hundred seventeen million, six hundred forty-six thousand, nine hundred twenty-eight".