6897189 has 32 divisors (see below), whose sum is σ = 10692864. Its totient is φ = 3916800.

The previous prime is 6897173. The next prime is 6897199. The reversal of 6897189 is 9817986.

It is a happy number.

It is not a de Polignac number, because 6897189 - 2⁴ = 6897173 is a prime.

It is a super-2 number, since 2×6897189² = 95142432203442, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6897119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66912 + ... + 67014.

It is an arithmetic number, because the mean of its divisors is an integer number (334152).

Almost surely, 2^6897189 is an apocalyptic number.

It is an amenable number.

6897189 is a deficient number, since it is larger than the sum of its proper divisors (3795675).

6897189 is a wasteful number, since it uses less digits than its factorization.

6897189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237.

The product of its digits is 217728, while the sum is 48.

The square root of 6897189 is about 2626.2499881009. The cubic root of 6897189 is about 190.3519699278.

The spelling of 6897189 in words is "six million, eight hundred ninety-seven thousand, one hundred eighty-nine".