115813404 has 72 divisors (see below), whose sum is σ = 343642208. Its totient is φ = 32192640.

The previous prime is 115813387. The next prime is 115813429. The reversal of 115813404 is 404318511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3114 + ... + 15534.

Almost surely, 2^115813404 is an apocalyptic number.

115813404 is a gapful number since it is divisible by the number (14) 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 115813404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171821104).

115813404 is an abundant number, since it is smaller than the sum of its proper divisors (227828804).

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

115813404 is a wasteful number, since it uses less digits than its factorization.

115813404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12475 (or 12470 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 115813404 is about 10761.6636260385. The cubic root of 115813404 is about 487.4382533235.

The spelling of 115813404 in words is "one hundred fifteen million, eight hundred thirteen thousand, four hundred four".