18314430 has 32 divisors (see below), whose sum is σ = 44388864. Its totient is φ = 4835616.

The previous prime is 18314419. The next prime is 18314437. The reversal of 18314430 is 3441381.

It is a self number, because there is not a number n which added to its sum of digits gives 18314430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18314437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127 + ... + 6053.

It is an arithmetic number, because the mean of its divisors is an integer number (1387152).

Almost surely, 2^18314430 is an apocalyptic number.

18314430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18314430 is an abundant number, since it is smaller than the sum of its proper divisors (26074434).

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

18314430 is a wasteful number, since it uses less digits than its factorization.

18314430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6040.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 18314430 is about 4279.5361898224. The cubic root of 18314430 is about 263.5913385797.

The spelling of 18314430 in words is "eighteen million, three hundred fourteen thousand, four hundred thirty".