4393722 has 8 divisors (see below), whose sum is σ = 8787456. Its totient is φ = 1464572.

The previous prime is 4393717. The next prime is 4393729. The reversal of 4393722 is 2273934.

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

4393722 is an admirable number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4393722.

It is not an unprimeable number, because it can be changed into a prime (4393729) 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, 366138 + ... + 366149.

It is an arithmetic number, because the mean of its divisors is an integer number (1098432).

Almost surely, 2^4393722 is an apocalyptic number.

4393722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4393722 is a wasteful number, since it uses less digits than its factorization.

4393722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732292.

The product of its digits is 9072, while the sum is 30.

The square root of 4393722 is about 2096.1207026314. The cubic root of 4393722 is about 163.7862821921.

It can be divided in two parts, 4393 and 722, that added together give a palindrome (5115).

The spelling of 4393722 in words is "four million, three hundred ninety-three thousand, seven hundred twenty-two".