118909849 has 8 divisors (see below), whose sum is σ = 127083168. Its totient is φ = 110867520.

The previous prime is 118909829. The next prime is 118909871. The reversal of 118909849 is 948909811.

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

It is a cyclic number.

It is not a de Polignac number, because 118909849 - 2⁹ = 118909337 is a prime.

It is a super-4 number, since 4×118909849⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118909829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30867 + ... + 34504.

It is an arithmetic number, because the mean of its divisors is an integer number (15885396).

Almost surely, 2^118909849 is an apocalyptic number.

It is an amenable number.

118909849 is a deficient number, since it is larger than the sum of its proper divisors (8173319).

118909849 is a wasteful number, since it uses less digits than its factorization.

118909849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65495.

The product of its (nonzero) digits is 186624, while the sum is 49.

The square root of 118909849 is about 10904.5792674454. The cubic root of 118909849 is about 491.7442335664.

The spelling of 118909849 in words is "one hundred eighteen million, nine hundred nine thousand, eight hundred forty-nine".