18453914 has 4 divisors (see below), whose sum is σ = 27680874. Its totient is φ = 9226956.

The previous prime is 18453899. The next prime is 18453931. The reversal of 18453914 is 41935481.

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

It can be written as a sum of positive squares in only one way, i.e., 18447025 + 6889 = 4295^2 + 83^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4613477 + ... + 4613480.

Almost surely, 2^18453914 is an apocalyptic number.

18453914 is a deficient number, since it is larger than the sum of its proper divisors (9226960).

18453914 is an equidigital number, since it uses as much as digits as its factorization.

18453914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9226959.

The product of its digits is 17280, while the sum is 35.

The square root of 18453914 is about 4295.8019041851. The cubic root of 18453914 is about 264.2588236858.

The spelling of 18453914 in words is "eighteen million, four hundred fifty-three thousand, nine hundred fourteen".