6441442 has 12 divisors (see below), whose sum is σ = 11239830. Its totient is φ = 2760576.

The previous prime is 6441439. The next prime is 6441467. The reversal of 6441442 is 2441446.

It can be written as a sum of positive squares in only one way, i.e., 4800481 + 1640961 = 2191^2 + 1281^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32767 + ... + 32962.

Almost surely, 2^6441442 is an apocalyptic number.

6441442 is a deficient number, since it is larger than the sum of its proper divisors (4798388).

6441442 is a wasteful number, since it uses less digits than its factorization.

6441442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65745 (or 65738 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 6441442 is about 2537.9996059889. Note that the first 3 decimals coincide. The cubic root of 6441442 is about 186.0634346396.

Adding to 6441442 its reverse (2441446), we get a palindrome (8882888).

The spelling of 6441442 in words is "six million, four hundred forty-one thousand, four hundred forty-two".