6860440 has 32 divisors (see below), whose sum is σ = 16109280. Its totient is φ = 2624512.

The previous prime is 6860437. The next prime is 6860453. The reversal of 6860440 is 440686.

It is a junction number, because it is equal to n+sod(n) for n = 6860399 and 6860408.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2809 + ... + 4648.

It is an arithmetic number, because the mean of its divisors is an integer number (503415).

Almost surely, 2^6860440 is an apocalyptic number.

It is an amenable number.

6860440 is an abundant number, since it is smaller than the sum of its proper divisors (9248840).

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

6860440 is a wasteful number, since it uses less digits than its factorization.

6860440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7491 (or 7487 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 6860440 is about 2619.2441657852. The cubic root of 6860440 is about 190.0132954685.

It can be divided in two parts, 68604 and 40, that added together give a square (68644 = 262²).

The spelling of 6860440 in words is "six million, eight hundred sixty thousand, four hundred forty".