18697241 has 8 divisors (see below), whose sum is σ = 18928224. Its totient is φ = 18468000.

The previous prime is 18697219. The next prime is 18697253. The reversal of 18697241 is 14279681.

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 18697241 - 2⁶ = 18697177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18697195 and 18697204.

It is not an unprimeable number, because it can be changed into a prime (18697201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40685 + ... + 41141.

It is an arithmetic number, because the mean of its divisors is an integer number (2366028).

Almost surely, 2^18697241 is an apocalyptic number.

It is an amenable number.

18697241 is a deficient number, since it is larger than the sum of its proper divisors (230983).

18697241 is a wasteful number, since it uses less digits than its factorization.

18697241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871.

The product of its digits is 24192, while the sum is 38.

The square root of 18697241 is about 4324.0306428146. The cubic root of 18697241 is about 265.4152313130.

The spelling of 18697241 in words is "eighteen million, six hundred ninety-seven thousand, two hundred forty-one".