18463982 has 8 divisors (see below), whose sum is σ = 27784296. Its totient is φ = 9202552.

The previous prime is 18463979. The next prime is 18464051. The reversal of 18463982 is 28936481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13928 + ... + 15195.

It is an arithmetic number, because the mean of its divisors is an integer number (3473037).

Almost surely, 2^18463982 is an apocalyptic number.

18463982 is a deficient number, since it is larger than the sum of its proper divisors (9320314).

18463982 is a wasteful number, since it uses less digits than its factorization.

18463982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29442.

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

The square root of 18463982 is about 4296.9735861418. The cubic root of 18463982 is about 264.3068726460.

The spelling of 18463982 in words is "eighteen million, four hundred sixty-three thousand, nine hundred eighty-two".