18083934 has 108 divisors (see below), whose sum is σ = 47429928. Its totient is φ = 4965840.

The previous prime is 18083927. The next prime is 18083941. The reversal of 18083934 is 43938081.

It is an interprime number because it is at equal distance from previous prime (18083927) and next prime (18083941).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 786247 + ... + 786269.

It is an arithmetic number, because the mean of its divisors is an integer number (439166).

Almost surely, 2^18083934 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18083934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23714964).

18083934 is an abundant number, since it is smaller than the sum of its proper divisors (29345994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18083934 is a wasteful number, since it uses less digits than its factorization.

18083934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 18083934 is about 4252.5208994195. The cubic root of 18083934 is about 262.4808584682.

The spelling of 18083934 in words is "eighteen million, eighty-three thousand, nine hundred thirty-four".