18982463 has 6 divisors (see below), whose sum is σ = 20034504. Its totient is φ = 17983044.

The previous prime is 18982441. The next prime is 18982471. The reversal of 18982463 is 36428981.

It is not a de Polignac number, because 18982463 - 2⁸ = 18982207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18982463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18982423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25931 + ... + 26652.

It is an arithmetic number, because the mean of its divisors is an integer number (3339084).

Almost surely, 2^18982463 is an apocalyptic number.

18982463 is a deficient number, since it is larger than the sum of its proper divisors (1052041).

18982463 is an equidigital number, since it uses as much as digits as its factorization.

18982463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52621 (or 52602 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 18982463 is about 4356.8868472798. The cubic root of 18982463 is about 266.7580417764.

The spelling of 18982463 in words is "eighteen million, nine hundred eighty-two thousand, four hundred sixty-three".