6446242 has 16 divisors (see below), whose sum is σ = 10684800. Its totient is φ = 2892240.

The previous prime is 6446239. The next prime is 6446243. The reversal of 6446242 is 2426446.

It is a self number, because there is not a number n which added to its sum of digits gives 6446242.

It is not an unprimeable number, because it can be changed into a prime (6446243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117 + ... + 3592.

It is an arithmetic number, because the mean of its divisors is an integer number (667800).

Almost surely, 2^6446242 is an apocalyptic number.

6446242 is a deficient number, since it is larger than the sum of its proper divisors (4238558).

6446242 is a wasteful number, since it uses less digits than its factorization.

6446242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801.

The product of its digits is 9216, while the sum is 28.

The square root of 6446242 is about 2538.9450565146. The cubic root of 6446242 is about 186.1096397564.

It can be divided in two parts, 644 and 6242, that added together give a palindrome (6886).

The spelling of 6446242 in words is "six million, four hundred forty-six thousand, two hundred forty-two".