18914342 has 4 divisors (see below), whose sum is σ = 28371516. Its totient is φ = 9457170.

The previous prime is 18914341. The next prime is 18914381. The reversal of 18914342 is 24341981.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 18914299 and 18914308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18914341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4728584 + ... + 4728587.

It is an arithmetic number, because the mean of its divisors is an integer number (7092879).

Almost surely, 2^18914342 is an apocalyptic number.

18914342 is a deficient number, since it is larger than the sum of its proper divisors (9457174).

18914342 is an equidigital number, since it uses as much as digits as its factorization.

18914342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9457173.

The product of its digits is 6912, while the sum is 32.

The square root of 18914342 is about 4349.0621977617. The cubic root of 18914342 is about 266.4385608374.

The spelling of 18914342 in words is "eighteen million, nine hundred fourteen thousand, three hundred forty-two".