6840103 has 4 divisors (see below), whose sum is σ = 7242480. Its totient is φ = 6437728.

The previous prime is 6840091. The next prime is 6840109. The reversal of 6840103 is 3010486.

6840103 is nontrivially palindromic in base 3.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3010486 = 2 ⋅1505243.

It is a cyclic number.

It is not a de Polignac number, because 6840103 - 2¹³ = 6831911 is a prime.

It is a Duffinian number.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201163 + ... + 201196.

It is an arithmetic number, because the mean of its divisors is an integer number (1810620).

Almost surely, 2^6840103 is an apocalyptic number.

6840103 is a deficient number, since it is larger than the sum of its proper divisors (402377).

6840103 is a wasteful number, since it uses less digits than its factorization.

6840103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402376.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 6840103 is about 2615.3590575674. The cubic root of 6840103 is about 189.8253519781.

Adding to 6840103 its reverse (3010486), we get a palindrome (9850589).

The spelling of 6840103 in words is "six million, eight hundred forty thousand, one hundred three".