6842438 has 4 divisors (see below), whose sum is σ = 10263660. Its totient is φ = 3421218.

The previous prime is 6842417. The next prime is 6842441. The reversal of 6842438 is 8342486.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8342486 = 2 ⋅4171243.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6842398 and 6842407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710608 + ... + 1710611.

It is an arithmetic number, because the mean of its divisors is an integer number (2565915).

Almost surely, 2^6842438 is an apocalyptic number.

6842438 is a deficient number, since it is larger than the sum of its proper divisors (3421222).

6842438 is a wasteful number, since it uses less digits than its factorization.

6842438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421221.

The product of its digits is 36864, while the sum is 35.

The square root of 6842438 is about 2615.8054208981. The cubic root of 6842438 is about 189.8469496923.

The spelling of 6842438 in words is "six million, eight hundred forty-two thousand, four hundred thirty-eight".