18848047 has 2 divisors, whose sum is σ = 18848048. Its totient is φ = 18848046.

The previous prime is 18848041. The next prime is 18848077. The reversal of 18848047 is 74084881.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18848047 - 2⁷ = 18847919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18848041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9424023 + 9424024.

It is an arithmetic number, because the mean of its divisors is an integer number (9424024).

Almost surely, 2^18848047 is an apocalyptic number.

18848047 is a deficient number, since it is larger than the sum of its proper divisors (1).

18848047 is an equidigital number, since it uses as much as digits as its factorization.

18848047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 18848047 is about 4341.4337493506. The cubic root of 18848047 is about 266.1269062977.

The spelling of 18848047 in words is "eighteen million, eight hundred forty-eight thousand, forty-seven".