6444562 has 4 divisors (see below), whose sum is σ = 9666846. Its totient is φ = 3222280.

The previous prime is 6444551. The next prime is 6444569. The reversal of 6444562 is 2654446.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3279721 + 3164841 = 1811^2 + 1779^2 .

It is not an unprimeable number, because it can be changed into a prime (6444569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611139 + ... + 1611142.

Almost surely, 2^6444562 is an apocalyptic number.

6444562 is a deficient number, since it is larger than the sum of its proper divisors (3222284).

6444562 is a wasteful number, since it uses less digits than its factorization.

6444562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222283.

The product of its digits is 23040, while the sum is 31.

The square root of 6444562 is about 2538.6141888834. The cubic root of 6444562 is about 186.0934705754.

The spelling of 6444562 in words is "six million, four hundred forty-four thousand, five hundred sixty-two".