3622439 has 2 divisors, whose sum is σ = 3622440. Its totient is φ = 3622438.

The previous prime is 3622433. The next prime is 3622453. The reversal of 3622439 is 9342263.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3622439 - 2⁸ = 3622183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3622433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1811219 + 1811220.

It is an arithmetic number, because the mean of its divisors is an integer number (1811220).

Almost surely, 2^3622439 is an apocalyptic number.

3622439 is a deficient number, since it is larger than the sum of its proper divisors (1).

3622439 is an equidigital number, since it uses as much as digits as its factorization.

3622439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 29.

The square root of 3622439 is about 1903.2706060884. The cubic root of 3622439 is about 153.5796571140.

It can be divided in two parts, 36224 and 39, that added together give a palindrome (36263).

The spelling of 3622439 in words is "three million, six hundred twenty-two thousand, four hundred thirty-nine".