18826345 has 8 divisors (see below), whose sum is σ = 22622976. Its totient is φ = 15040176.

The previous prime is 18826333. The next prime is 18826349. The reversal of 18826345 is 54362881.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18826345 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18826349) 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, 2134 + ... + 6496.

It is an arithmetic number, because the mean of its divisors is an integer number (2827872).

Almost surely, 2^18826345 is an apocalyptic number.

It is an amenable number.

18826345 is a deficient number, since it is larger than the sum of its proper divisors (3796631).

18826345 is an equidigital number, since it uses as much as digits as its factorization.

18826345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5231.

The product of its digits is 46080, while the sum is 37.

The square root of 18826345 is about 4338.9336247516. The cubic root of 18826345 is about 266.0247258754.

The spelling of 18826345 in words is "eighteen million, eight hundred twenty-six thousand, three hundred forty-five".