18483538 has 16 divisors (see below), whose sum is σ = 28944216. Its totient is φ = 8844160.

The previous prime is 18483529. The next prime is 18483541. The reversal of 18483538 is 83538481.

It can be written as a sum of positive squares in 4 ways, for example, as 9162729 + 9320809 = 3027^2 + 3053^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18483538.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2220 + ... + 6472.

Almost surely, 2^18483538 is an apocalyptic number.

18483538 is a deficient number, since it is larger than the sum of its proper divisors (10460678).

18483538 is a wasteful number, since it uses less digits than its factorization.

18483538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349.

The product of its digits is 92160, while the sum is 40.

The square root of 18483538 is about 4299.2485389891. The cubic root of 18483538 is about 264.4001526591.

The spelling of 18483538 in words is "eighteen million, four hundred eighty-three thousand, five hundred thirty-eight".