6848440 has 32 divisors (see below), whose sum is σ = 15486480. Its totient is φ = 2725632.

The previous prime is 6848389. The next prime is 6848449. The reversal of 6848440 is 448486.

It is a super-2 number, since 2×6848440² = 93802260867200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6848396 and 6848405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6848449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12247 + ... + 12793.

Almost surely, 2^6848440 is an apocalyptic number.

It is an amenable number.

6848440 is an abundant number, since it is smaller than the sum of its proper divisors (8638040).

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

6848440 is a wasteful number, since it uses less digits than its factorization.

6848440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 6848440 is about 2616.9524260101. The cubic root of 6848440 is about 189.9024429919.

The spelling of 6848440 in words is "six million, eight hundred forty-eight thousand, four hundred forty".