6884390 has 16 divisors (see below), whose sum is σ = 12422160. Its totient is φ = 2747040.

The previous prime is 6884389. The next prime is 6884393. The reversal of 6884390 is 934886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6884393) 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, 6605 + ... + 7575.

It is an arithmetic number, because the mean of its divisors is an integer number (776385).

Almost surely, 2^6884390 is an apocalyptic number.

6884390 is a deficient number, since it is larger than the sum of its proper divisors (5537770).

6884390 is a wasteful number, since it uses less digits than its factorization.

6884390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 6884390 is about 2623.8121121757. The cubic root of 6884390 is about 190.2341526824.

The spelling of 6884390 in words is "six million, eight hundred eighty-four thousand, three hundred ninety".