115917948 has 36 divisors (see below), whose sum is σ = 293523048. Its totient is φ = 38572320.

The previous prime is 115917913. The next prime is 115917979. The reversal of 115917948 is 849719511.

It is a happy number.

115917948 is a `hidden beast` number, since 11 + 591 + 7 + 9 + 48 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21043 + ... + 25973.

It is an arithmetic number, because the mean of its divisors is an integer number (8153418).

Almost surely, 2^115917948 is an apocalyptic number.

115917948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

115917948 is an abundant number, since it is smaller than the sum of its proper divisors (177605100).

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

115917948 is a wasteful number, since it uses less digits than its factorization.

115917948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594 (or 5589 counting only the distinct ones).

The product of its digits is 90720, while the sum is 45.

The square root of 115917948 is about 10766.5197719597. The cubic root of 115917948 is about 487.5848783177.

The spelling of 115917948 in words is "one hundred fifteen million, nine hundred seventeen thousand, nine hundred forty-eight".