118863489 has 16 divisors (see below), whose sum is σ = 164822400. Its totient is φ = 76102656.

The previous prime is 118863463. The next prime is 118863497. The reversal of 118863489 is 984368811.

It is not a de Polignac number, because 118863489 - 2²⁴ = 102086273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118863089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13252 + ... + 20330.

It is an arithmetic number, because the mean of its divisors is an integer number (10301400).

Almost surely, 2^118863489 is an apocalyptic number.

It is an amenable number.

118863489 is a deficient number, since it is larger than the sum of its proper divisors (45958911).

118863489 is a wasteful number, since it uses less digits than its factorization.

118863489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7304.

The product of its digits is 331776, while the sum is 48.

The square root of 118863489 is about 10902.4533477562. The cubic root of 118863489 is about 491.6803189672.

The spelling of 118863489 in words is "one hundred eighteen million, eight hundred sixty-three thousand, four hundred eighty-nine".