4091873 has 2 divisors, whose sum is σ = 4091874. Its totient is φ = 4091872.

The previous prime is 4091863. The next prime is 4091909. The reversal of 4091873 is 3781904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3869089 + 222784 = 1967^2 + 472^2 .

It is a cyclic number.

It is not a de Polignac number, because 4091873 - 2⁶ = 4091809 is a prime.

It is not a weakly prime, because it can be changed into another prime (4091833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2045936 + 2045937.

It is an arithmetic number, because the mean of its divisors is an integer number (2045937).

Almost surely, 2^4091873 is an apocalyptic number.

It is an amenable number.

4091873 is a deficient number, since it is larger than the sum of its proper divisors (1).

4091873 is an equidigital number, since it uses as much as digits as its factorization.

4091873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 4091873 is about 2022.8378580598. The cubic root of 4091873 is about 159.9462449628.

The spelling of 4091873 in words is "four million, ninety-one thousand, eight hundred seventy-three".