4186997 has 2 divisors, whose sum is σ = 4186998. Its totient is φ = 4186996.

The previous prime is 4186951. The next prime is 4186999. The reversal of 4186997 is 7996814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4165681 + 21316 = 2041^2 + 146^2 .

It is a cyclic number.

It is not a de Polignac number, because 4186997 - 2¹⁸ = 3924853 is a prime.

Together with 4186999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4186999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2093498 + 2093499.

It is an arithmetic number, because the mean of its divisors is an integer number (2093499).

Almost surely, 2^4186997 is an apocalyptic number.

It is an amenable number.

4186997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4186997 is an equidigital number, since it uses as much as digits as its factorization.

4186997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 44.

The square root of 4186997 is about 2046.2152868161. The cubic root of 4186997 is about 161.1761892023.

The spelling of 4186997 in words is "four million, one hundred eighty-six thousand, nine hundred ninety-seven".