6844659 has 16 divisors (see below), whose sum is σ = 9764352. Its totient is φ = 4249728.

The previous prime is 6844637. The next prime is 6844687. The reversal of 6844659 is 9564486.

It is not a de Polignac number, because 6844659 - 2⁸ = 6844403 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6844659.

It is not an unprimeable number, because it can be changed into a prime (6844559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4602 + ... + 5904.

It is an arithmetic number, because the mean of its divisors is an integer number (610272).

Almost surely, 2^6844659 is an apocalyptic number.

6844659 is a deficient number, since it is larger than the sum of its proper divisors (2919693).

6844659 is a wasteful number, since it uses less digits than its factorization.

6844659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426.

The product of its digits is 207360, while the sum is 42.

The square root of 6844659 is about 2616.2299210887. The cubic root of 6844659 is about 189.8674883981.

It can be divided in two parts, 6844 and 659, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 6844659 in words is "six million, eight hundred forty-four thousand, six hundred fifty-nine".