18051234 has 16 divisors (see below), whose sum is σ = 36983520. Its totient is φ = 5870240.

The previous prime is 18051233. The next prime is 18051277. The reversal of 18051234 is 43215081.

It is not an unprimeable number, because it can be changed into a prime (18051233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36444 + ... + 36935.

It is an arithmetic number, because the mean of its divisors is an integer number (2311470).

Almost surely, 2^18051234 is an apocalyptic number.

18051234 is an abundant number, since it is smaller than the sum of its proper divisors (18932286).

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

18051234 is a wasteful number, since it uses less digits than its factorization.

18051234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73425.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 18051234 is about 4248.6743814983. The cubic root of 18051234 is about 262.3225539991.

The spelling of 18051234 in words is "eighteen million, fifty-one thousand, two hundred thirty-four".