18632041 has 8 divisors (see below), whose sum is σ = 18895424. Its totient is φ = 18370800.

The previous prime is 18632039. The next prime is 18632077. The reversal of 18632041 is 14023681.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 8-Lehmer number, since φ(18632041) divides (18632041-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 18632041 - 2¹ = 18632039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18631997 and 18632015.

It is not an unprimeable number, because it can be changed into a prime (18632011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24235 + ... + 24991.

It is an arithmetic number, because the mean of its divisors is an integer number (2361928).

Almost surely, 2^18632041 is an apocalyptic number.

It is an amenable number.

18632041 is a deficient number, since it is larger than the sum of its proper divisors (263383).

18632041 is a wasteful number, since it uses less digits than its factorization.

18632041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 18632041 is about 4316.4847966835. The cubic root of 18632041 is about 265.1063581617.

The spelling of 18632041 in words is "eighteen million, six hundred thirty-two thousand, forty-one".