18482643 has 6 divisors (see below), whose sum is σ = 26697164. Its totient is φ = 12321756.

The previous prime is 18482641. The next prime is 18482683. The reversal of 18482643 is 34628481.

18482643 is a `hidden beast` number, since 1 + 8 + 4 + 8 + 2 + 643 = 666.

It is not a de Polignac number, because 18482643 - 2¹ = 18482641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18482598 and 18482607.

It is not an unprimeable number, because it can be changed into a prime (18482641) 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 5 ways as a sum of consecutive naturals, for example, 1026805 + ... + 1026822.

Almost surely, 2^18482643 is an apocalyptic number.

18482643 is a deficient number, since it is larger than the sum of its proper divisors (8214521).

18482643 is a wasteful number, since it uses less digits than its factorization.

18482643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053633 (or 2053630 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 18482643 is about 4299.1444497714. The cubic root of 18482643 is about 264.3958850426.

The spelling of 18482643 in words is "eighteen million, four hundred eighty-two thousand, six hundred forty-three".