18414934 has 4 divisors (see below), whose sum is σ = 27622404. Its totient is φ = 9207466.

The previous prime is 18414917. The next prime is 18414941. The reversal of 18414934 is 43941481.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 18414934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4603732 + ... + 4603735.

It is an arithmetic number, because the mean of its divisors is an integer number (6905601).

Almost surely, 2^18414934 is an apocalyptic number.

18414934 is a deficient number, since it is larger than the sum of its proper divisors (9207470).

18414934 is an equidigital number, since it uses as much as digits as its factorization.

18414934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9207469.

The product of its digits is 13824, while the sum is 34.

The square root of 18414934 is about 4291.2625181874. The cubic root of 18414934 is about 264.0726288541.

The spelling of 18414934 in words is "eighteen million, four hundred fourteen thousand, nine hundred thirty-four".