4389722 has 16 divisors (see below), whose sum is σ = 6972000. Its totient is φ = 2067120.

The previous prime is 4389691. The next prime is 4389727. The reversal of 4389722 is 2279834.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4389727) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12404 + ... + 12752.

It is an arithmetic number, because the mean of its divisors is an integer number (435750).

Almost surely, 2^4389722 is an apocalyptic number.

4389722 is a deficient number, since it is larger than the sum of its proper divisors (2582278).

4389722 is a wasteful number, since it uses less digits than its factorization.

4389722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701.

The product of its digits is 24192, while the sum is 35.

The square root of 4389722 is about 2095.1663418450. The cubic root of 4389722 is about 163.7365639773.

The spelling of 4389722 in words is "four million, three hundred eighty-nine thousand, seven hundred twenty-two".