3231409 has 4 divisors (see below), whose sum is σ = 3335680. Its totient is φ = 3127140.

The previous prime is 3231401. The next prime is 3231413. The reversal of 3231409 is 9041323.

3231409 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3231409 - 2³ = 3231401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3231409.

It is not an unprimeable number, because it can be changed into a prime (3231401) 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, 52089 + ... + 52150.

It is an arithmetic number, because the mean of its divisors is an integer number (833920).

Almost surely, 2^3231409 is an apocalyptic number.

It is an amenable number.

3231409 is a deficient number, since it is larger than the sum of its proper divisors (104271).

3231409 is a wasteful number, since it uses less digits than its factorization.

3231409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104270.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 3231409 is about 1797.6120271071. The cubic root of 3231409 is about 147.8418233373.

The spelling of 3231409 in words is "three million, two hundred thirty-one thousand, four hundred nine".