6840104 has 16 divisors (see below), whose sum is σ = 12877920. Its totient is φ = 3406000.

The previous prime is 6840091. The next prime is 6840109. The reversal of 6840104 is 4010486.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6840104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840109) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 479 + ... + 3729.

It is an arithmetic number, because the mean of its divisors is an integer number (804870).

Almost surely, 2^6840104 is an apocalyptic number.

It is an amenable number.

6840104 is a deficient number, since it is larger than the sum of its proper divisors (6037816).

6840104 is a wasteful number, since it uses less digits than its factorization.

6840104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520 (or 3516 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 6840104 is about 2615.3592487458. The cubic root of 6840104 is about 189.8253612287.

The spelling of 6840104 in words is "six million, eight hundred forty thousand, one hundred four".