18794345 has 8 divisors (see below), whose sum is σ = 22718664. Its totient is φ = 14925184.

The previous prime is 18794341. The next prime is 18794353. The reversal of 18794345 is 54349781.

It can be written as a sum of positive squares in 4 ways, for example, as 2601769 + 16192576 = 1613^2 + 4024^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18794345 - 2² = 18794341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18794341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13034 + ... + 14403.

It is an arithmetic number, because the mean of its divisors is an integer number (2839833).

Almost surely, 2^18794345 is an apocalyptic number.

It is an amenable number.

18794345 is a deficient number, since it is larger than the sum of its proper divisors (3924319).

18794345 is a wasteful number, since it uses less digits than its factorization.

18794345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27579.

The product of its digits is 120960, while the sum is 41.

The square root of 18794345 is about 4335.2445144421. The cubic root of 18794345 is about 265.8739155972.

The spelling of 18794345 in words is "eighteen million, seven hundred ninety-four thousand, three hundred forty-five".