18479214 has 48 divisors (see below), whose sum is σ = 43479072. Its totient is φ = 5638464.

The previous prime is 18479183. The next prime is 18479231. The reversal of 18479214 is 41297481.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36487 + ... + 36989.

It is an arithmetic number, because the mean of its divisors is an integer number (905814).

Almost surely, 2^18479214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18479214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21739536).

18479214 is an abundant number, since it is smaller than the sum of its proper divisors (24999858).

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

18479214 is a wasteful number, since it uses less digits than its factorization.

18479214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 678 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 18479214 is about 4298.7456309952. The cubic root of 18479214 is about 264.3795333126.

The spelling of 18479214 in words is "eighteen million, four hundred seventy-nine thousand, two hundred fourteen".