3421439 has 8 divisors (see below), whose sum is σ = 4036608. Its totient is φ = 2837880.

The previous prime is 3421433. The next prime is 3421447. The reversal of 3421439 is 9341243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3421439 - 2⁴ = 3421423 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7667 + ... + 8100.

It is an arithmetic number, because the mean of its divisors is an integer number (504576).

Almost surely, 2^3421439 is an apocalyptic number.

3421439 is a deficient number, since it is larger than the sum of its proper divisors (615169).

3421439 is a wasteful number, since it uses less digits than its factorization.

3421439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15805.

The product of its digits is 2592, while the sum is 26.

The square root of 3421439 is about 1849.7132210156. The cubic root of 3421439 is about 150.6848535968.

The spelling of 3421439 in words is "three million, four hundred twenty-one thousand, four hundred thirty-nine".