118349917 has 16 divisors (see below), whose sum is σ = 143130240. Its totient is φ = 95594688.

The previous prime is 118349893. The next prime is 118349921. The reversal of 118349917 is 719943811.

It is not a de Polignac number, because 118349917 - 2¹⁵ = 118317149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118349317) 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, 23943 + ... + 28459.

It is an arithmetic number, because the mean of its divisors is an integer number (8945640).

Almost surely, 2^118349917 is an apocalyptic number.

It is an amenable number.

118349917 is a deficient number, since it is larger than the sum of its proper divisors (24780323).

118349917 is a wasteful number, since it uses less digits than its factorization.

118349917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4740.

The product of its digits is 54432, while the sum is 43.

The square root of 118349917 is about 10878.8748039492. The cubic root of 118349917 is about 490.9711642909.

The spelling of 118349917 in words is "one hundred eighteen million, three hundred forty-nine thousand, nine hundred seventeen".