6844642 has 16 divisors (see below), whose sum is σ = 12424320. Its totient is φ = 2760768.

The previous prime is 6844637. The next prime is 6844687. The reversal of 6844642 is 2464486.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 6844598 and 6844607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14142 + ... + 14617.

It is an arithmetic number, because the mean of its divisors is an integer number (776520).

Almost surely, 2^6844642 is an apocalyptic number.

6844642 is a deficient number, since it is larger than the sum of its proper divisors (5579678).

6844642 is a wasteful number, since it uses less digits than its factorization.

6844642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28785.

The product of its digits is 36864, while the sum is 34.

The square root of 6844642 is about 2616.2266721368. The cubic root of 6844642 is about 189.8673312074.

The spelling of 6844642 in words is "six million, eight hundred forty-four thousand, six hundred forty-two".