6854840 has 32 divisors (see below), whose sum is σ = 15498000. Its totient is φ = 2728704.

The previous prime is 6854833. The next prime is 6854857. The reversal of 6854840 is 484586.

It is a self number, because there is not a number n which added to its sum of digits gives 6854840.

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, 16151 + ... + 16569.

Almost surely, 2^6854840 is an apocalyptic number.

It is an amenable number.

6854840 is an abundant number, since it is smaller than the sum of its proper divisors (8643160).

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

6854840 is a wasteful number, since it uses less digits than its factorization.

6854840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 6854840 is about 2618.1749368596. The cubic root of 6854840 is about 189.9615804127.

The spelling of 6854840 in words is "six million, eight hundred fifty-four thousand, eight hundred forty".