4018873 has 2 divisors, whose sum is σ = 4018874. Its totient is φ = 4018872.

The previous prime is 4018867. The next prime is 4018877. The reversal of 4018873 is 3788104.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2347024 + 1671849 = 1532^2 + 1293^2 .

It is a cyclic number.

It is not a de Polignac number, because 4018873 - 2⁹ = 4018361 is a prime.

It is not a weakly prime, because it can be changed into another prime (4018877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2009436 + 2009437.

It is an arithmetic number, because the mean of its divisors is an integer number (2009437).

Almost surely, 2^4018873 is an apocalyptic number.

It is an amenable number.

4018873 is a deficient number, since it is larger than the sum of its proper divisors (1).

4018873 is an equidigital number, since it uses as much as digits as its factorization.

4018873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 4018873 is about 2004.7126976203. The cubic root of 4018873 is about 158.9893720729.

The spelling of 4018873 in words is "four million, eighteen thousand, eight hundred seventy-three".