6340838 has 16 divisors (see below), whose sum is σ = 11164704. Its totient is φ = 2643840.

The previous prime is 6340811. The next prime is 6340843. The reversal of 6340838 is 8380436.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6⁶ + 3³ + 4¹¹ + 0 + 8³ + 3⁷ + 8⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5603 + ... + 6638.

It is an arithmetic number, because the mean of its divisors is an integer number (697794).

Almost surely, 2^6340838 is an apocalyptic number.

6340838 is a deficient number, since it is larger than the sum of its proper divisors (4823866).

6340838 is a wasteful number, since it uses less digits than its factorization.

6340838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12287.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 6340838 is about 2518.1020630626. The cubic root of 6340838 is about 185.0896862437.

The spelling of 6340838 in words is "six million, three hundred forty thousand, eight hundred thirty-eight".