115897330 has 32 divisors (see below), whose sum is σ = 221433264. Its totient is φ = 43524096.

The previous prime is 115897319. The next prime is 115897339. The reversal of 115897330 is 33798511.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 17867529 + 98029801 = 4227^2 + 9901^2 .

It is a super-2 number, since 2×115897330² = 26864382202257800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115897330.

It is not an unprimeable number, because it can be changed into a prime (115897339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113904 + ... + 114916.

Almost surely, 2^115897330 is an apocalyptic number.

115897330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115897330 is a deficient number, since it is larger than the sum of its proper divisors (105535934).

115897330 is a wasteful number, since it uses less digits than its factorization.

115897330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 115897330 is about 10765.5622240550. The cubic root of 115897330 is about 487.5559681524. Note that the first 3 decimals are identical.

It can be divided in two parts, 1158973 and 30, that added together give a triangular number (1159003 = T₁₅₂₂).

The spelling of 115897330 in words is "one hundred fifteen million, eight hundred ninety-seven thousand, three hundred thirty".