4039722 has 12 divisors (see below), whose sum is σ = 8752770. Its totient is φ = 1346568.

The previous prime is 4039709. The next prime is 4039733. The reversal of 4039722 is 2279304.

4039722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4004001 + 35721 = 2001^2 + 189^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 112197 + ... + 112232.

Almost surely, 2^4039722 is an apocalyptic number.

4039722 is an abundant number, since it is smaller than the sum of its proper divisors (4713048).

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

4039722 is a wasteful number, since it uses less digits than its factorization.

4039722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224437 (or 224434 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 4039722 is about 2009.9059679497. The cubic root of 4039722 is about 159.2638315869.

Adding to 4039722 its product of nonzero digits (3024), we get a triangular number (4042746 = T₂₈₄₃).

It can be divided in two parts, 4039 and 722, that added together give a square (4761 = 69²).

The spelling of 4039722 in words is "four million, thirty-nine thousand, seven hundred twenty-two".