3421239 has 4 divisors (see below), whose sum is σ = 4561656. Its totient is φ = 2280824.

The previous prime is 3421237. The next prime is 3421241. The reversal of 3421239 is 9321243.

3421239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9321243 = 3 ⋅3107081.

It is an interprime number because it is at equal distance from previous prime (3421237) and next prime (3421241).

It is a cyclic number.

It is not a de Polignac number, because 3421239 - 2¹ = 3421237 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421237) 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, 570204 + ... + 570209.

It is an arithmetic number, because the mean of its divisors is an integer number (1140414).

Almost surely, 2^3421239 is an apocalyptic number.

3421239 is a deficient number, since it is larger than the sum of its proper divisors (1140417).

3421239 is a wasteful number, since it uses less digits than its factorization.

3421239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140416.

The product of its digits is 1296, while the sum is 24.

The square root of 3421239 is about 1849.6591577910. The cubic root of 3421239 is about 150.6819174484.

The spelling of 3421239 in words is "three million, four hundred twenty-one thousand, two hundred thirty-nine".