18430342 has 32 divisors (see below), whose sum is σ = 33523200. Its totient is φ = 7423488.

The previous prime is 18430339. The next prime is 18430351. The reversal of 18430342 is 24303481.

It is a congruent 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, 51159 + ... + 51517.

It is an arithmetic number, because the mean of its divisors is an integer number (1047600).

Almost surely, 2^18430342 is an apocalyptic number.

18430342 is a deficient number, since it is larger than the sum of its proper divisors (15092858).

18430342 is a wasteful number, since it uses less digits than its factorization.

18430342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 18430342 is about 4293.0574186703. The cubic root of 18430342 is about 264.1462592525.

The spelling of 18430342 in words is "eighteen million, four hundred thirty thousand, three hundred forty-two".