117438948 has 36 divisors (see below), whose sum is σ = 323847888. Its totient is φ = 35587440.

The previous prime is 117438929. The next prime is 117438949. The reversal of 117438948 is 849834711.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (117438949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147886 + ... + 148677.

Almost surely, 2^117438948 is an apocalyptic number.

117438948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

117438948 is an abundant number, since it is smaller than the sum of its proper divisors (206408940).

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

117438948 is a wasteful number, since it uses less digits than its factorization.

117438948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296584 (or 296579 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 117438948 is about 10836.9252096709. The cubic root of 117438948 is about 489.7082088936.

The spelling of 117438948 in words is "one hundred seventeen million, four hundred thirty-eight thousand, nine hundred forty-eight".