4491446 has 4 divisors (see below), whose sum is σ = 6737172. Its totient is φ = 2245722.

The previous prime is 4491439. The next prime is 4491469. The reversal of 4491446 is 6441944.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122860 + ... + 1122863.

It is an arithmetic number, because the mean of its divisors is an integer number (1684293).

Almost surely, 2^4491446 is an apocalyptic number.

4491446 is a deficient number, since it is larger than the sum of its proper divisors (2245726).

4491446 is a wasteful number, since it uses less digits than its factorization.

4491446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245725.

The product of its digits is 13824, while the sum is 32.

The square root of 4491446 is about 2119.3031873708. The cubic root of 4491446 is about 164.9916861437.

The spelling of 4491446 in words is "four million, four hundred ninety-one thousand, four hundred forty-six".