6442394 has 8 divisors (see below), whose sum is σ = 11044128. Its totient is φ = 2761020.

The previous prime is 6442367. The next prime is 6442399. The reversal of 6442394 is 4932446.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6442394.

It is not an unprimeable number, because it can be changed into a prime (6442399) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 230072 + ... + 230099.

It is an arithmetic number, because the mean of its divisors is an integer number (1380516).

Almost surely, 2^6442394 is an apocalyptic number.

6442394 is a deficient number, since it is larger than the sum of its proper divisors (4601734).

6442394 is a wasteful number, since it uses less digits than its factorization.

6442394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460180.

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

The square root of 6442394 is about 2538.1871483403. The cubic root of 6442394 is about 186.0726004788.

The spelling of 6442394 in words is "six million, four hundred forty-two thousand, three hundred ninety-four".