6943842 has 36 divisors (see below), whose sum is σ = 15572466. Its totient is φ = 2234880.

The previous prime is 6943819. The next prime is 6943877. The reversal of 6943842 is 2483496.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3884841 + 3059001 = 1971^2 + 1749^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6943797 and 6943806.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 71538 + ... + 71634.

Almost surely, 2^6943842 is an apocalyptic number.

6943842 is an abundant number, since it is smaller than the sum of its proper divisors (8628624).

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

6943842 is a wasteful number, since it uses less digits than its factorization.

6943842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 143 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 6943842 is about 2635.1170751980. The cubic root of 6943842 is about 190.7801899188.

The spelling of 6943842 in words is "six million, nine hundred forty-three thousand, eight hundred forty-two".