6189397 has 6 divisors (see below), whose sum is σ = 6372258. Its totient is φ = 6007392.

The previous prime is 6189389. The next prime is 6189419. The reversal of 6189397 is 7939816.

It can be written as a sum of positive squares in 3 ways, for example, as 4955076 + 1234321 = 2226^2 + 1111^2 .

It is not a de Polignac number, because 6189397 - 2³ = 6189389 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 (6189697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14929 + ... + 15337.

It is an arithmetic number, because the mean of its divisors is an integer number (1062043).

Almost surely, 2^6189397 is an apocalyptic number.

It is an amenable number.

6189397 is a deficient number, since it is larger than the sum of its proper divisors (182861).

6189397 is an frugal number, since it uses more digits than its factorization.

6189397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 446 counting only the distinct ones).

The product of its digits is 81648, while the sum is 43.

The square root of 6189397 is about 2487.8498748920. The cubic root of 6189397 is about 183.6042712081.

The spelling of 6189397 in words is "six million, one hundred eighty-nine thousand, three hundred ninety-seven".