115487400 has 192 divisors, whose sum is σ = 422830080. Its totient is φ = 25516800.

The previous prime is 115487381. The next prime is 115487401. The reversal of 115487400 is 4784511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (115487401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129757 + ... + 130643.

It is an arithmetic number, because the mean of its divisors is an integer number (2202240).

Almost surely, 2^115487400 is an apocalyptic number.

115487400 is a gapful number since it is divisible by the number (10) 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 115487400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211415040).

115487400 is an abundant number, since it is smaller than the sum of its proper divisors (307342680).

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

115487400 is a wasteful number, since it uses less digits than its factorization.

115487400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 935 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 115487400 is about 10746.5064090615. The cubic root of 115487400 is about 486.9804590006.

The spelling of 115487400 in words is "one hundred fifteen million, four hundred eighty-seven thousand, four hundred".