4189997 has 4 divisors (see below), whose sum is σ = 4788576. Its totient is φ = 3591420.

The previous prime is 4189987. The next prime is 4190009. The reversal of 4189997 is 7999814.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4189997 - 2⁸ = 4189741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4189957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299279 + ... + 299292.

It is an arithmetic number, because the mean of its divisors is an integer number (1197144).

Almost surely, 2^4189997 is an apocalyptic number.

It is an amenable number.

4189997 is a deficient number, since it is larger than the sum of its proper divisors (598579).

4189997 is an equidigital number, since it uses as much as digits as its factorization.

4189997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598578.

The product of its digits is 163296, while the sum is 47.

The square root of 4189997 is about 2046.9482162478. The cubic root of 4189997 is about 161.2146744723.

The spelling of 4189997 in words is "four million, one hundred eighty-nine thousand, nine hundred ninety-seven".