18942883 has 2 divisors, whose sum is σ = 18942884. Its totient is φ = 18942882.

The previous prime is 18942851. The next prime is 18942899. The reversal of 18942883 is 38824981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18942883 - 2⁵ = 18942851 is a prime.

It is not a weakly prime, because it can be changed into another prime (18942083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9471441 + 9471442.

It is an arithmetic number, because the mean of its divisors is an integer number (9471442).

Almost surely, 2^18942883 is an apocalyptic number.

18942883 is a deficient number, since it is larger than the sum of its proper divisors (1).

18942883 is an equidigital number, since it uses as much as digits as its factorization.

18942883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 43.

The square root of 18942883 is about 4352.3422429768. The cubic root of 18942883 is about 266.5725085977.

The spelling of 18942883 in words is "eighteen million, nine hundred forty-two thousand, eight hundred eighty-three".