6442934 has 8 divisors (see below), whose sum is σ = 9764328. Its totient is φ = 3188160.

The previous prime is 6442897. The next prime is 6442937. The reversal of 6442934 is 4392446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6442934² = 83022797056712, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6 + 4 + 4³ + 2⁵ + 9⁷ + 3¹³ + 4⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 6442934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6442937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16412 + ... + 16799.

It is an arithmetic number, because the mean of its divisors is an integer number (1220541).

Almost surely, 2^6442934 is an apocalyptic number.

6442934 is a deficient number, since it is larger than the sum of its proper divisors (3321394).

6442934 is a wasteful number, since it uses less digits than its factorization.

6442934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33310.

The product of its digits is 20736, while the sum is 32.

The square root of 6442934 is about 2538.2935212461. The cubic root of 6442934 is about 186.0777991879.

The spelling of 6442934 in words is "six million, four hundred forty-two thousand, nine hundred thirty-four".