4194887 has 2 divisors, whose sum is σ = 4194888. Its totient is φ = 4194886.

The previous prime is 4194871. The next prime is 4194907. The reversal of 4194887 is 7884914.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4194887 - 2⁴ = 4194871 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4 + 1 + 9 + 4¹¹ + 8 + 8³ + 7² .

It is equal to p₂₉₅₉₈₈ and since 4194887 and 295988 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4194847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2097443 + 2097444.

It is an arithmetic number, because the mean of its divisors is an integer number (2097444).

Almost surely, 2^4194887 is an apocalyptic number.

4194887 is a deficient number, since it is larger than the sum of its proper divisors (1).

4194887 is an equidigital number, since it uses as much as digits as its factorization.

4194887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 41.

The square root of 4194887 is about 2048.1423290387. The cubic root of 4194887 is about 161.2773661063.

The spelling of 4194887 in words is "four million, one hundred ninety-four thousand, eight hundred eighty-seven".