18828463 has 2 divisors, whose sum is σ = 18828464. Its totient is φ = 18828462.

The previous prime is 18828461. The next prime is 18828479. The reversal of 18828463 is 36482881.

It is a weak prime.

It is an emirp because it is prime and its reverse (36482881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18828463 - 2¹ = 18828461 is a prime.

It is a super-2 number, since 2×18828463² = 709022037884738, which contains 22 as substring.

Together with 18828461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18828461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9414231 + 9414232.

It is an arithmetic number, because the mean of its divisors is an integer number (9414232).

Almost surely, 2^18828463 is an apocalyptic number.

18828463 is a deficient number, since it is larger than the sum of its proper divisors (1).

18828463 is an equidigital number, since it uses as much as digits as its factorization.

18828463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 40.

The square root of 18828463 is about 4339.1776870739. The cubic root of 18828463 is about 266.0347015989.

It can be divided in two parts, 18828 and 463, that added together give a palindrome (19291).

The spelling of 18828463 in words is "eighteen million, eight hundred twenty-eight thousand, four hundred sixty-three".