6940842 has 8 divisors (see below), whose sum is σ = 13881696. Its totient is φ = 2313612.

The previous prime is 6940841. The next prime is 6940853. The reversal of 6940842 is 2480496.

It is a sphenic number, since it is the product of 3 distinct primes.

6940842 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (6940841) 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, 578398 + ... + 578409.

It is an arithmetic number, because the mean of its divisors is an integer number (1735212).

Almost surely, 2^6940842 is an apocalyptic number.

6940842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6940842 is a wasteful number, since it uses less digits than its factorization.

6940842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156812.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 6940842 is about 2634.5477790315. The cubic root of 6940842 is about 190.7527112303.

The spelling of 6940842 in words is "six million, nine hundred forty thousand, eight hundred forty-two".