6897872 has 20 divisors (see below), whose sum is σ = 13796736. Its totient is φ = 3337440.

The previous prime is 6897857. The next prime is 6897883. The reversal of 6897872 is 2787986.

6897872 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6458 + ... + 7449.

Almost surely, 2^6897872 is an apocalyptic number.

6897872 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

6897872 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6897872 is a wasteful number, since it uses less digits than its factorization.

6897872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13946 (or 13940 counting only the distinct ones).

The product of its digits is 338688, while the sum is 47.

The square root of 6897872 is about 2626.3800182000. The cubic root of 6897872 is about 190.3582529756.

The spelling of 6897872 in words is "six million, eight hundred ninety-seven thousand, eight hundred seventy-two".