109618 has 8 divisors (see below), whose sum is σ = 171648. Its totient is φ = 52404.

The previous prime is 109609. The next prime is 109619. The reversal of 109618 is 816901.

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

It is a super-2 number, since 2×109618² = 24032211848, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 109592 and 109601.

It is not an unprimeable number, because it can be changed into a prime (109619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146 + ... + 1237.

It is an arithmetic number, because the mean of its divisors is an integer number (21456).

2¹⁰⁹⁶¹⁸ is an apocalyptic number.

109618 is a deficient number, since it is larger than the sum of its proper divisors (62030).

109618 is a wasteful number, since it uses less digits than its factorization.

109618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 109618 is about 331.0860915230. The cubic root of 109618 is about 47.8586699276.

It can be divided in two parts, 109 and 618, that added together give a palindrome (727).

The spelling of 109618 in words is "one hundred nine thousand, six hundred eighteen".