118889449 has 16 divisors (see below), whose sum is σ = 145611648. Its totient is φ = 94747392.

The previous prime is 118889431. The next prime is 118889467. The reversal of 118889449 is 944988811.

It is an interprime number because it is at equal distance from previous prime (118889431) and next prime (118889467).

It is not a de Polignac number, because 118889449 - 2¹⁵ = 118856681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118889396 and 118889405.

It is not an unprimeable number, because it can be changed into a prime (118889489) 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, 3859 + ... + 15895.

It is an arithmetic number, because the mean of its divisors is an integer number (9100728).

Almost surely, 2^118889449 is an apocalyptic number.

It is an amenable number.

118889449 is a deficient number, since it is larger than the sum of its proper divisors (26722199).

118889449 is a wasteful number, since it uses less digits than its factorization.

118889449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12144.

The product of its digits is 663552, while the sum is 52.

The square root of 118889449 is about 10903.6438404783. The cubic root of 118889449 is about 491.7161109839.

The spelling of 118889449 in words is "one hundred eighteen million, eight hundred eighty-nine thousand, four hundred forty-nine".