3628439 has 2 divisors, whose sum is σ = 3628440. Its totient is φ = 3628438.

The previous prime is 3628421. The next prime is 3628453. The reversal of 3628439 is 9348263.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9348263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3628439 - 2¹⁶ = 3562903 is a prime.

It is a d-powerful number, because it can be written as 3³ + 6⁸ + 2¹⁵ + 8³ + 4⁹ + 3¹³ + 9⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 3628399 and 3628408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3622439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1814219 + 1814220.

It is an arithmetic number, because the mean of its divisors is an integer number (1814220).

Almost surely, 2^3628439 is an apocalyptic number.

3628439 is a deficient number, since it is larger than the sum of its proper divisors (1).

3628439 is an equidigital number, since it uses as much as digits as its factorization.

3628439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 3628439 is about 1904.8461880162. The cubic root of 3628439 is about 153.6644038504.

The spelling of 3628439 in words is "three million, six hundred twenty-eight thousand, four hundred thirty-nine".