18342102 has 16 divisors (see below), whose sum is σ = 36974592. Its totient is φ = 6065640.

The previous prime is 18342101. The next prime is 18342119. The reversal of 18342102 is 20124381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18342101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11274 + ... + 12797.

It is an arithmetic number, because the mean of its divisors is an integer number (2310912).

Almost surely, 2^18342102 is an apocalyptic number.

18342102 is an abundant number, since it is smaller than the sum of its proper divisors (18632490).

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

18342102 is a wasteful number, since it uses less digits than its factorization.

18342102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24203.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 18342102 is about 4282.7680301413. The cubic root of 18342102 is about 263.7240286489.

Adding to 18342102 its reverse (20124381), we get a palindrome (38466483).

The spelling of 18342102 in words is "eighteen million, three hundred forty-two thousand, one hundred two".