6897904 has 30 divisors (see below), whose sum is σ = 14477496. Its totient is φ = 3182400.

The previous prime is 6897901. The next prime is 6897929. The reversal of 6897904 is 4097986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6897901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1429 + ... + 3979.

Almost surely, 2^6897904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6897904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7238748).

6897904 is an abundant number, since it is smaller than the sum of its proper divisors (7579592).

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

6897904 is a wasteful number, since it uses less digits than its factorization.

6897904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585 (or 2566 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 6897904 is about 2626.3861102283. The cubic root of 6897904 is about 190.3585473396.

The spelling of 6897904 in words is "six million, eight hundred ninety-seven thousand, nine hundred four".