18378483 has 4 divisors (see below), whose sum is σ = 24504648. Its totient is φ = 12252320.

The previous prime is 18378473. The next prime is 18378487. The reversal of 18378483 is 38487381.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18378483 - 2⁹ = 18377971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18378487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3063078 + ... + 3063083.

It is an arithmetic number, because the mean of its divisors is an integer number (6126162).

Almost surely, 2^18378483 is an apocalyptic number.

18378483 is a deficient number, since it is larger than the sum of its proper divisors (6126165).

18378483 is an equidigital number, since it uses as much as digits as its factorization.

18378483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6126164.

The product of its digits is 129024, while the sum is 42.

The square root of 18378483 is about 4287.0132959906. The cubic root of 18378483 is about 263.8982763510.

The spelling of 18378483 in words is "eighteen million, three hundred seventy-eight thousand, four hundred eighty-three".