115038890 has 8 divisors (see below), whose sum is σ = 207070020. Its totient is φ = 46015552.

The previous prime is 115038851. The next prime is 115038929. The reversal of 115038890 is 98830511.

It is an interprime number because it is at equal distance from previous prime (115038851) and next prime (115038929).

It can be written as a sum of positive squares in 2 ways, for example, as 106853569 + 8185321 = 10337^2 + 2861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 115038890.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5751935 + ... + 5751954.

Almost surely, 2^115038890 is an apocalyptic number.

115038890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115038890 is a deficient number, since it is larger than the sum of its proper divisors (92031130).

115038890 is a wasteful number, since it uses less digits than its factorization.

115038890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11503896.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 115038890 is about 10725.6183970902. The cubic root of 115038890 is about 486.3492242928.

The spelling of 115038890 in words is "one hundred fifteen million, thirty-eight thousand, eight hundred ninety".