6442942 has 16 divisors (see below), whose sum is σ = 10718064. Its totient is φ = 2880000.

The previous prime is 6442939. The next prime is 6442979. The reversal of 6442942 is 2492446.

It is a plaindrome in base 13.

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, 1059 + ... + 3742.

It is an arithmetic number, because the mean of its divisors is an integer number (669879).

Almost surely, 2^6442942 is an apocalyptic number.

6442942 is a deficient number, since it is larger than the sum of its proper divisors (4275122).

6442942 is a wasteful number, since it uses less digits than its factorization.

6442942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4875.

The product of its digits is 13824, while the sum is 31.

The square root of 6442942 is about 2538.2950971075. The cubic root of 6442942 is about 186.0778762036.

The spelling of 6442942 in words is "six million, four hundred forty-two thousand, nine hundred forty-two".