18482979 has 4 divisors (see below), whose sum is σ = 24643976. Its totient is φ = 12321984.

The previous prime is 18482977. The next prime is 18482983. The reversal of 18482979 is 97928481.

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

It is not a de Polignac number, because 18482979 - 2¹ = 18482977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18482977) 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, 3080494 + ... + 3080499.

It is an arithmetic number, because the mean of its divisors is an integer number (6160994).

Almost surely, 2^18482979 is an apocalyptic number.

18482979 is a deficient number, since it is larger than the sum of its proper divisors (6160997).

18482979 is an equidigital number, since it uses as much as digits as its factorization.

18482979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6160996.

The product of its digits is 290304, while the sum is 48.

The square root of 18482979 is about 4299.1835271363. The cubic root of 18482979 is about 264.3974872030.

The spelling of 18482979 in words is "eighteen million, four hundred eighty-two thousand, nine hundred seventy-nine".