6896440 has 16 divisors (see below), whose sum is σ = 15517080. Its totient is φ = 2758560.

The previous prime is 6896429. The next prime is 6896447. The reversal of 6896440 is 446986.

It is a self number, because there is not a number n which added to its sum of digits gives 6896440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6896447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86166 + ... + 86245.

Almost surely, 2^6896440 is an apocalyptic number.

It is an amenable number.

6896440 is an abundant number, since it is smaller than the sum of its proper divisors (8620640).

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

6896440 is a wasteful number, since it uses less digits than its factorization.

6896440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172422 (or 172418 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 6896440 is about 2626.1073854662. The cubic root of 6896440 is about 190.3450792565.

The spelling of 6896440 in words is "six million, eight hundred ninety-six thousand, four hundred forty".