4173887 has 2 divisors, whose sum is σ = 4173888. Its totient is φ = 4173886.

The previous prime is 4173853. The next prime is 4173907. The reversal of 4173887 is 7883714.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4173887 - 2¹⁰ = 4172863 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4173887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4173817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2086943 + 2086944.

It is an arithmetic number, because the mean of its divisors is an integer number (2086944).

Almost surely, 2^4173887 is an apocalyptic number.

4173887 is a deficient number, since it is larger than the sum of its proper divisors (1).

4173887 is an equidigital number, since it uses as much as digits as its factorization.

4173887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 38.

The square root of 4173887 is about 2043.0093000278. The cubic root of 4173887 is about 161.0077925321.

Subtracting from 4173887 its sum of digits (38), we obtain a square (4173849 = 2043²).

The spelling of 4173887 in words is "four million, one hundred seventy-three thousand, eight hundred eighty-seven".