6896840 has 16 divisors (see below), whose sum is σ = 15517980. Its totient is φ = 2758720.

The previous prime is 6896833. The next prime is 6896887. The reversal of 6896840 is 486986.

It can be written as a sum of positive squares in 2 ways, for example, as 6340324 + 556516 = 2518^2 + 746^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86171 + ... + 86250.

Almost surely, 2^6896840 is an apocalyptic number.

It is an amenable number.

6896840 is an abundant number, since it is smaller than the sum of its proper divisors (8621140).

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

6896840 is a wasteful number, since it uses less digits than its factorization.

6896840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172432 (or 172428 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 6896840 is about 2626.1835427098. The cubic root of 6896840 is about 190.3487592499.

The spelling of 6896840 in words is "six million, eight hundred ninety-six thousand, eight hundred forty".