18063934 has 16 divisors (see below), whose sum is σ = 31269888. Its totient is φ = 7665912.

The previous prime is 18063919. The next prime is 18063943. The reversal of 18063934 is 43936081.

It is a self number, because there is not a number n which added to its sum of digits gives 18063934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4822 + ... + 7705.

It is an arithmetic number, because the mean of its divisors is an integer number (1954368).

Almost surely, 2^18063934 is an apocalyptic number.

18063934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18063934 is a deficient number, since it is larger than the sum of its proper divisors (13205954).

18063934 is a wasteful number, since it uses less digits than its factorization.

18063934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12639.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 18063934 is about 4250.1687025341. The cubic root of 18063934 is about 262.3840588515.

The spelling of 18063934 in words is "eighteen million, sixty-three thousand, nine hundred thirty-four".