18106934 has 8 divisors (see below), whose sum is σ = 28341360. Its totient is φ = 8659816.

The previous prime is 18106909. The next prime is 18106939. The reversal of 18106934 is 43960181.

It is a happy number.

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

It is a super-2 number, since 2×18106934² = 655722117760712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18106934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18106939) 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, 196769 + ... + 196860.

It is an arithmetic number, because the mean of its divisors is an integer number (3542670).

Almost surely, 2^18106934 is an apocalyptic number.

18106934 is a deficient number, since it is larger than the sum of its proper divisors (10234426).

18106934 is a wasteful number, since it uses less digits than its factorization.

18106934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393654.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 18106934 is about 4255.2243184114. The cubic root of 18106934 is about 262.5920898360.

The spelling of 18106934 in words is "eighteen million, one hundred six thousand, nine hundred thirty-four".