6897144 has 32 divisors (see below), whose sum is σ = 17442000. Its totient is φ = 2272512.

The previous prime is 6897119. The next prime is 6897151. The reversal of 6897144 is 4417986.

It is a happy number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522 + ... + 3750.

Almost surely, 2^6897144 is an apocalyptic number.

It is an amenable number.

6897144 is an abundant number, since it is smaller than the sum of its proper divisors (10544856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6897144 is a wasteful number, since it uses less digits than its factorization.

6897144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327 (or 3323 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 6897144 is about 2626.2414207380. The cubic root of 6897144 is about 190.3515559496.

The spelling of 6897144 in words is "six million, eight hundred ninety-seven thousand, one hundred forty-four".