18948241 has 8 divisors (see below), whose sum is σ = 20490624. Its totient is φ = 17418000.

The previous prime is 18948221. The next prime is 18948253. The reversal of 18948241 is 14284981.

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 18948241 - 2⁹ = 18947729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18948241.

It is not an unprimeable number, because it can be changed into a prime (18948211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360 + ... + 6166.

It is an arithmetic number, because the mean of its divisors is an integer number (2561328).

Almost surely, 2^18948241 is an apocalyptic number.

It is an amenable number.

18948241 is a deficient number, since it is larger than the sum of its proper divisors (1542383).

18948241 is a wasteful number, since it uses less digits than its factorization.

18948241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6071.

The product of its digits is 18432, while the sum is 37.

The square root of 18948241 is about 4352.9577300957. The cubic root of 18948241 is about 266.5976395991.

The spelling of 18948241 in words is "eighteen million, nine hundred forty-eight thousand, two hundred forty-one".