3281439 has 8 divisors (see below), whose sum is σ = 5000320. Its totient is φ = 1875096.

The previous prime is 3281431. The next prime is 3281441. The reversal of 3281439 is 9341823.

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

It is not a de Polignac number, because 3281439 - 2³ = 3281431 is a prime.

It is a Duffinian number.

3281439 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3281431) 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, 78109 + ... + 78150.

It is an arithmetic number, because the mean of its divisors is an integer number (625040).

Almost surely, 2^3281439 is an apocalyptic number.

3281439 is a deficient number, since it is larger than the sum of its proper divisors (1718881).

3281439 is a wasteful number, since it uses less digits than its factorization.

3281439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156269.

The product of its digits is 5184, while the sum is 30.

The square root of 3281439 is about 1811.4742614788. The cubic root of 3281439 is about 148.6009018468.

The spelling of 3281439 in words is "three million, two hundred eighty-one thousand, four hundred thirty-nine".