4194287 has 2 divisors, whose sum is σ = 4194288. Its totient is φ = 4194286.

The previous prime is 4194277. The next prime is 4194301. The reversal of 4194287 is 7824914.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4194287 - 2⁴ = 4194271 is a prime.

It is equal to p₂₉₅₉₄₆ and since 4194287 and 295946 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 (4194217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2097143 + 2097144.

It is an arithmetic number, because the mean of its divisors is an integer number (2097144).

Almost surely, 2^4194287 is an apocalyptic number.

4194287 is a deficient number, since it is larger than the sum of its proper divisors (1).

4194287 is an equidigital number, since it uses as much as digits as its factorization.

4194287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 35.

The square root of 4194287 is about 2047.9958496052. The cubic root of 4194287 is about 161.2696765044.

The spelling of 4194287 in words is "four million, one hundred ninety-four thousand, two hundred eighty-seven".