6840284 has 12 divisors (see below), whose sum is σ = 13058808. Its totient is φ = 3109200.

The previous prime is 6840271. The next prime is 6840287. The reversal of 6840284 is 4820486.

It is a self number, because there is not a number n which added to its sum of digits gives 6840284.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840287) 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, 77687 + ... + 77774.

It is an arithmetic number, because the mean of its divisors is an integer number (1088234).

Almost surely, 2^6840284 is an apocalyptic number.

It is an amenable number.

6840284 is a deficient number, since it is larger than the sum of its proper divisors (6218524).

6840284 is a wasteful number, since it uses less digits than its factorization.

6840284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155476 (or 155474 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 6840284 is about 2615.3936606178. The cubic root of 6840284 is about 189.8270263235.

It can be divided in two parts, 68402 and 84, that added together give a palindrome (68486).

The spelling of 6840284 in words is "six million, eight hundred forty thousand, two hundred eighty-four".