6838642 has 4 divisors (see below), whose sum is σ = 10257966. Its totient is φ = 3419320.

The previous prime is 6838633. The next prime is 6838681. The reversal of 6838642 is 2468386.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6765201 + 73441 = 2601^2 + 271^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1709659 + ... + 1709662.

Almost surely, 2^6838642 is an apocalyptic number.

6838642 is a deficient number, since it is larger than the sum of its proper divisors (3419324).

6838642 is a wasteful number, since it uses less digits than its factorization.

6838642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419323.

The product of its digits is 55296, while the sum is 37.

The square root of 6838642 is about 2615.0797310981. The cubic root of 6838642 is about 189.8118358762.

The spelling of 6838642 in words is "six million, eight hundred thirty-eight thousand, six hundred forty-two".