3722439 has 16 divisors (see below), whose sum is σ = 6006528. Its totient is φ = 2001792.

The previous prime is 3722437. The next prime is 3722443. The reversal of 3722439 is 9342273.

3722439 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 3722439 - 2¹ = 3722437 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4857 + ... + 5570.

It is an arithmetic number, because the mean of its divisors is an integer number (375408).

Almost surely, 2^3722439 is an apocalyptic number.

3722439 is a deficient number, since it is larger than the sum of its proper divisors (2284089).

3722439 is a wasteful number, since it uses less digits than its factorization.

3722439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10454.

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

The square root of 3722439 is about 1929.3623298904. The cubic root of 3722439 is about 154.9800737479.

The spelling of 3722439 in words is "three million, seven hundred twenty-two thousand, four hundred thirty-nine".