6446494 has 4 divisors (see below), whose sum is σ = 9669744. Its totient is φ = 3223246.

The previous prime is 6446483. The next prime is 6446507. The reversal of 6446494 is 4946446.

It is a semiprime because it is the product of two 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 as a sum of consecutive naturals, namely, 1611622 + ... + 1611625.

It is an arithmetic number, because the mean of its divisors is an integer number (2417436).

Almost surely, 2^6446494 is an apocalyptic number.

6446494 is a deficient number, since it is larger than the sum of its proper divisors (3223250).

6446494 is a wasteful number, since it uses less digits than its factorization.

6446494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223249.

The product of its digits is 82944, while the sum is 37.

The square root of 6446494 is about 2538.9946829405. The cubic root of 6446494 is about 186.1120648912.

The spelling of 6446494 in words is "six million, four hundred forty-six thousand, four hundred ninety-four".