18607241 has 8 divisors (see below), whose sum is σ = 19352520. Its totient is φ = 17868928.

The previous prime is 18607157. The next prime is 18607247. The reversal of 18607241 is 14270681.

It can be written as a sum of positive squares in 4 ways, for example, as 11868025 + 6739216 = 3445^2 + 2596^2 .

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 18607241 - 2¹⁴ = 18590857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18607247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4085 + ... + 7341.

It is an arithmetic number, because the mean of its divisors is an integer number (2419065).

Almost surely, 2^18607241 is an apocalyptic number.

It is an amenable number.

18607241 is a deficient number, since it is larger than the sum of its proper divisors (745279).

18607241 is a wasteful number, since it uses less digits than its factorization.

18607241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3483.

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

The square root of 18607241 is about 4313.6111322186. The cubic root of 18607241 is about 264.9886835087.

The spelling of 18607241 in words is "eighteen million, six hundred seven thousand, two hundred forty-one".