6446001 has 16 divisors (see below), whose sum is σ = 8895744. Its totient is φ = 4149264.

The previous prime is 6445993. The next prime is 6446017. The reversal of 6446001 is 1006446.

It is not a de Polignac number, because 6446001 - 2³ = 6445993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6446021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13570 + ... + 14036.

It is an arithmetic number, because the mean of its divisors is an integer number (555984).

Almost surely, 2^6446001 is an apocalyptic number.

It is an amenable number.

6446001 is a deficient number, since it is larger than the sum of its proper divisors (2449743).

6446001 is a wasteful number, since it uses less digits than its factorization.

6446001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 6446001 is about 2538.8975954142. The cubic root of 6446001 is about 186.1073204215.

The spelling of 6446001 in words is "six million, four hundred forty-six thousand, one".