18374230 has 16 divisors (see below), whose sum is σ = 37798560. Its totient is φ = 6299712.

The previous prime is 18374219. The next prime is 18374243. The reversal of 18374230 is 3247381.

It is a super-2 number, since 2×18374230² = 675224656185800, which contains 22 as substring.

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, 131175 + ... + 131314.

It is an arithmetic number, because the mean of its divisors is an integer number (2362410).

Almost surely, 2^18374230 is an apocalyptic number.

18374230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18374230 is an abundant number, since it is smaller than the sum of its proper divisors (19424330).

18374230 is a wasteful number, since it uses less digits than its factorization.

18374230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262503.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 18374230 is about 4286.5172343057. The cubic root of 18374230 is about 263.8779183784.

The spelling of 18374230 in words is "eighteen million, three hundred seventy-four thousand, two hundred thirty".