6439074 has 16 divisors (see below), whose sum is σ = 12904320. Its totient is φ = 2142000.

The previous prime is 6439067. The next prime is 6439123. The reversal of 6439074 is 4709346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3792 + ... + 5220.

It is an arithmetic number, because the mean of its divisors is an integer number (806520).

Almost surely, 2^6439074 is an apocalyptic number.

6439074 is an abundant number, since it is smaller than the sum of its proper divisors (6465246).

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

6439074 is a wasteful number, since it uses less digits than its factorization.

6439074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 6439074 is about 2537.5330539719. The cubic root of 6439074 is about 186.0406316599.

The spelling of 6439074 in words is "six million, four hundred thirty-nine thousand, seventy-four".