6839442 has 24 divisors (see below), whose sum is σ = 15064140. Its totient is φ = 2242080.

The previous prime is 6839429. The next prime is 6839461. The reversal of 6839442 is 2449386.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6245001 + 594441 = 2499^2 + 771^2 .

It is a d-powerful number, because it can be written as 6 + 8⁷ + 3³ + 9⁶ + 4⁷ + 4¹¹ + 2⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 6839397 and 6839406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2017 + ... + 4212.

Almost surely, 2^6839442 is an apocalyptic number.

6839442 is an abundant number, since it is smaller than the sum of its proper divisors (8224698).

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

6839442 is a wasteful number, since it uses less digits than its factorization.

6839442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6298 (or 6295 counting only the distinct ones).

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

The square root of 6839442 is about 2615.2326856324. The cubic root of 6839442 is about 189.8192371287.

The spelling of 6839442 in words is "six million, eight hundred thirty-nine thousand, four hundred forty-two".