18147341 has 4 divisors (see below), whose sum is σ = 18156000. Its totient is φ = 18138684.

The previous prime is 18147329. The next prime is 18147343. The reversal of 18147341 is 14374181.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 18147341 - 2⁶ = 18147277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18147343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010 + ... + 6108.

It is an arithmetic number, because the mean of its divisors is an integer number (4539000).

Almost surely, 2^18147341 is an apocalyptic number.

It is an amenable number.

18147341 is a deficient number, since it is larger than the sum of its proper divisors (8659).

18147341 is an equidigital number, since it uses as much as digits as its factorization.

18147341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8658.

The product of its digits is 2688, while the sum is 29.

The square root of 18147341 is about 4259.9696008305. The cubic root of 18147341 is about 262.7872761219.

The spelling of 18147341 in words is "eighteen million, one hundred forty-seven thousand, three hundred forty-one".