6838490 has 16 divisors (see below), whose sum is σ = 12734280. Its totient is φ = 2640960.

The previous prime is 6838487. The next prime is 6838511. The reversal of 6838490 is 948386.

It can be written as a sum of positive squares in 4 ways, for example, as 4853209 + 1985281 = 2203^2 + 1409^2 .

It is a Curzon number.

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 in 7 ways as a sum of consecutive naturals, for example, 11501 + ... + 12080.

Almost surely, 2^6838490 is an apocalyptic number.

6838490 is a deficient number, since it is larger than the sum of its proper divisors (5895790).

6838490 is a wasteful number, since it uses less digits than its factorization.

6838490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23617.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 6838490 is about 2615.0506687252. The cubic root of 6838490 is about 189.8104295730.

The spelling of 6838490 in words is "six million, eight hundred thirty-eight thousand, four hundred ninety".