18326241 has 12 divisors (see below), whose sum is σ = 27864720. Its totient is φ = 11574360.

The previous prime is 18326197. The next prime is 18326249. The reversal of 18326241 is 14262381.

18326241 is a `hidden beast` number, since 1 + 8 + 32 + 624 + 1 = 666.

It is not a de Polignac number, because 18326241 - 2¹³ = 18318049 is a prime.

It is a super-2 number, since 2×18326241² = 671702218380162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18326249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53415 + ... + 53756.

It is an arithmetic number, because the mean of its divisors is an integer number (2322060).

Almost surely, 2^18326241 is an apocalyptic number.

It is an amenable number.

18326241 is a deficient number, since it is larger than the sum of its proper divisors (9538479).

18326241 is a wasteful number, since it uses less digits than its factorization.

18326241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107196 (or 107193 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 18326241 is about 4280.9159066723. The cubic root of 18326241 is about 263.6479898703.

The spelling of 18326241 in words is "eighteen million, three hundred twenty-six thousand, two hundred forty-one".