6441642 has 24 divisors (see below), whose sum is σ = 14117220. Its totient is φ = 2122560.

The previous prime is 6441637. The next prime is 6441647. The reversal of 6441642 is 2461446.

6441642 is a `hidden beast` number, since 644 + 16 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (6441637) and next prime (6441647).

It can be written as a sum of positive squares in 2 ways, for example, as 5294601 + 1147041 = 2301^2 + 1071^2 .

It is not an unprimeable number, because it can be changed into a prime (6441647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 409 + ... + 3612.

Almost surely, 2^6441642 is an apocalyptic number.

6441642 is an abundant number, since it is smaller than the sum of its proper divisors (7675578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6441642 is a wasteful number, since it uses less digits than its factorization.

6441642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118 (or 4115 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 6441642 is about 2538.0390067924. The cubic root of 6441642 is about 186.0653603110.

The spelling of 6441642 in words is "six million, four hundred forty-one thousand, six hundred forty-two".