18250234 has 16 divisors (see below), whose sum is σ = 28009440. Its totient is φ = 8915760.

The previous prime is 18250217. The next prime is 18250237. The reversal of 18250234 is 43205281.

It is a junction number, because it is equal to n+sod(n) for n = 18250199 and 18250208.

It is not an unprimeable number, because it can be changed into a prime (18250237) 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, 24532 + ... + 25264.

It is an arithmetic number, because the mean of its divisors is an integer number (1750590).

Almost surely, 2^18250234 is an apocalyptic number.

18250234 is a deficient number, since it is larger than the sum of its proper divisors (9759206).

18250234 is a wasteful number, since it uses less digits than its factorization.

18250234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 18250234 is about 4272.0292601994. The cubic root of 18250234 is about 263.2829966633.

The spelling of 18250234 in words is "eighteen million, two hundred fifty thousand, two hundred thirty-four".