4389446 has 4 divisors (see below), whose sum is σ = 6584172. Its totient is φ = 2194722.

The previous prime is 4389443. The next prime is 4389449. The reversal of 4389446 is 6449834.

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

It is an interprime number because it is at equal distance from previous prime (4389443) and next prime (4389449).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4389443) 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 as a sum of consecutive naturals, namely, 1097360 + ... + 1097363.

It is an arithmetic number, because the mean of its divisors is an integer number (1646043).

Almost surely, 2^4389446 is an apocalyptic number.

4389446 is a deficient number, since it is larger than the sum of its proper divisors (2194726).

4389446 is a wasteful number, since it uses less digits than its factorization.

4389446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194725.

The product of its digits is 82944, while the sum is 38.

The square root of 4389446 is about 2095.1004749176. The cubic root of 4389446 is about 163.7331323068.

The spelling of 4389446 in words is "four million, three hundred eighty-nine thousand, four hundred forty-six".