6446063 has 4 divisors (see below), whose sum is σ = 6941928. Its totient is φ = 5950200.

The previous prime is 6446057. The next prime is 6446101. The reversal of 6446063 is 3606446.

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

It is a cyclic number.

It is not a de Polignac number, because 6446063 - 2¹⁶ = 6380527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6446023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247913 + ... + 247938.

It is an arithmetic number, because the mean of its divisors is an integer number (1735482).

Almost surely, 2^6446063 is an apocalyptic number.

6446063 is a deficient number, since it is larger than the sum of its proper divisors (495865).

6446063 is a wasteful number, since it uses less digits than its factorization.

6446063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495864.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 6446063 is about 2538.9098054086. The cubic root of 6446063 is about 186.1079171024.

The spelling of 6446063 in words is "six million, four hundred forty-six thousand, sixty-three".