6442446 has 16 divisors (see below), whose sum is σ = 13104000. Its totient is φ = 2110968.

The previous prime is 6442433. The next prime is 6442459.

6442446 is nontrivially palindromic in base 10.

6442446 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6442433) and next prime (6442459).

It is a super-2 number, since 2×6442446² = 83010220925832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8746 + ... + 9453.

It is an arithmetic number, because the mean of its divisors is an integer number (819000).

Almost surely, 2^6442446 is an apocalyptic number.

6442446 is an abundant number, since it is smaller than the sum of its proper divisors (6661554).

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

6442446 is a wasteful number, since it uses less digits than its factorization.

6442446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18263.

The product of its digits is 18432, while the sum is 30.

The square root of 6442446 is about 2538.1973918512. The cubic root of 6442446 is about 186.0731011079.

The spelling of 6442446 in words is "six million, four hundred forty-two thousand, four hundred forty-six".