18314274 has 32 divisors (see below), whose sum is σ = 40622400. Its totient is φ = 5457600.

The previous prime is 18314267. The next prime is 18314281. The reversal of 18314274 is 47241381.

It is an interprime number because it is at equal distance from previous prime (18314267) and next prime (18314281).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1752 + ... + 6300.

It is an arithmetic number, because the mean of its divisors is an integer number (1269450).

Almost surely, 2^18314274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18314274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20311200).

18314274 is an abundant number, since it is smaller than the sum of its proper divisors (22308126).

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

18314274 is a wasteful number, since it uses less digits than its factorization.

18314274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626.

The product of its digits is 5376, while the sum is 30.

The square root of 18314274 is about 4279.5179635094. The cubic root of 18314274 is about 263.5905901650.

It can be divided in two parts, 1831 and 4274, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 18314274 in words is "eighteen million, three hundred fourteen thousand, two hundred seventy-four".