6445846 has 8 divisors (see below), whose sum is σ = 10547784. Its totient is φ = 2929920.

The previous prime is 6445841. The next prime is 6445849. The reversal of 6445846 is 6485446.

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

It is a pancake number, because a pancake can be divided into 6445846 parts by 3590 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6445841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146475 + ... + 146518.

It is an arithmetic number, because the mean of its divisors is an integer number (1318473).

Almost surely, 2^6445846 is an apocalyptic number.

6445846 is a deficient number, since it is larger than the sum of its proper divisors (4101938).

6445846 is a wasteful number, since it uses less digits than its factorization.

6445846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293006.

The product of its digits is 92160, while the sum is 37.

The square root of 6445846 is about 2538.8670701713. The cubic root of 6445846 is about 186.1058287025.

The spelling of 6445846 in words is "six million, four hundred forty-five thousand, eight hundred forty-six".