18874063 has 16 divisors (see below), whose sum is σ = 22057056. Its totient is φ = 15989760.

The previous prime is 18874061. The next prime is 18874067. The reversal of 18874063 is 36047881.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 18874063 - 2¹ = 18874061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18874061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8020 + ... + 10102.

It is an arithmetic number, because the mean of its divisors is an integer number (1378566).

Almost surely, 2^18874063 is an apocalyptic number.

18874063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18874063 is a deficient number, since it is larger than the sum of its proper divisors (3182993).

18874063 is a wasteful number, since it uses less digits than its factorization.

18874063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 18874063 is about 4344.4289613251. The cubic root of 18874063 is about 266.2492951850.

The spelling of 18874063 in words is "eighteen million, eight hundred seventy-four thousand, sixty-three".