18402114 has 32 divisors (see below), whose sum is σ = 37783296. Its totient is φ = 5973120.

The previous prime is 18402113. The next prime is 18402119. The reversal of 18402114 is 41120481.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18402113) 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, 49959 + ... + 50325.

It is an arithmetic number, because the mean of its divisors is an integer number (1180728).

Almost surely, 2^18402114 is an apocalyptic number.

18402114 is an abundant number, since it is smaller than the sum of its proper divisors (19381182).

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

18402114 is a wasteful number, since it uses less digits than its factorization.

18402114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 18402114 is about 4289.7685252237. The cubic root of 18402114 is about 264.0113344537.

Adding to 18402114 its reverse (41120481), we get a palindrome (59522595).

The spelling of 18402114 in words is "eighteen million, four hundred two thousand, one hundred fourteen".