18874363 has 2 divisors, whose sum is σ = 18874364. Its totient is φ = 18874362.

The previous prime is 18874351. The next prime is 18874367. The reversal of 18874363 is 36347881.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18874363 - 2¹³ = 18866171 is a prime.

It is not a weakly prime, because it can be changed into another prime (18874367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9437181 + 9437182.

It is an arithmetic number, because the mean of its divisors is an integer number (9437182).

Almost surely, 2^18874363 is an apocalyptic number.

18874363 is a deficient number, since it is larger than the sum of its proper divisors (1).

18874363 is an equidigital number, since it uses as much as digits as its factorization.

18874363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 18874363 is about 4344.4634881651. The cubic root of 18874363 is about 266.2507058399.

The spelling of 18874363 in words is "eighteen million, eight hundred seventy-four thousand, three hundred sixty-three".