115894889 has 12 divisors (see below), whose sum is σ = 134095920. Its totient is φ = 99811800.

The previous prime is 115894871. The next prime is 115894897. The reversal of 115894889 is 988498511.

It is a happy number.

It is not a de Polignac number, because 115894889 - 2¹² = 115890793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115894889.

It is not an unprimeable number, because it can be changed into a prime (115894819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22907 + ... + 27504.

It is an arithmetic number, because the mean of its divisors is an integer number (11174660).

Almost surely, 2^115894889 is an apocalyptic number.

115894889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

115894889 is a deficient number, since it is larger than the sum of its proper divisors (18201031).

115894889 is a wasteful number, since it uses less digits than its factorization.

115894889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50452 (or 50441 counting only the distinct ones).

The product of its digits is 829440, while the sum is 53.

The square root of 115894889 is about 10765.4488526954. The cubic root of 115894889 is about 487.5525452019.

The spelling of 115894889 in words is "one hundred fifteen million, eight hundred ninety-four thousand, eight hundred eighty-nine".