115298690 has 16 divisors (see below), whose sum is σ = 223502328. Its totient is φ = 42571776.

The previous prime is 115298663. The next prime is 115298713. The reversal of 115298690 is 96892511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 51825601 + 63473089 = 7199^2 + 7967^2 .

It is a super-2 number, since 2×115298690² = 26587575831432200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443327 + ... + 443586.

Almost surely, 2^115298690 is an apocalyptic number.

115298690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115298690 is a deficient number, since it is larger than the sum of its proper divisors (108203638).

115298690 is a wasteful number, since it uses less digits than its factorization.

115298690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886933.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 115298690 is about 10737.7227567115. The cubic root of 115298690 is about 486.7150673282.

The spelling of 115298690 in words is "one hundred fifteen million, two hundred ninety-eight thousand, six hundred ninety".