6446894 has 8 divisors (see below), whose sum is σ = 9716808. Its totient is φ = 3207960.

The previous prime is 6446863. The next prime is 6446929. The reversal of 6446894 is 4986446.

6446894 is nontrivially palindromic in base 12.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7217 + ... + 8060.

It is an arithmetic number, because the mean of its divisors is an integer number (1214601).

Almost surely, 2^6446894 is an apocalyptic number.

6446894 is a deficient number, since it is larger than the sum of its proper divisors (3269914).

6446894 is a wasteful number, since it uses less digits than its factorization.

6446894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15490.

The product of its digits is 165888, while the sum is 41.

The square root of 6446894 is about 2539.0734530533. The cubic root of 6446894 is about 186.1159141818.

The spelling of 6446894 in words is "six million, four hundred forty-six thousand, eight hundred ninety-four".