3431239 has 8 divisors (see below), whose sum is σ = 3960320. Its totient is φ = 2911896.

The previous prime is 3431237. The next prime is 3431243. The reversal of 3431239 is 9321343.

It is a happy number.

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 3431239 - 2¹ = 3431237 is a prime.

3431239 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3431237) 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, 1659 + ... + 3100.

It is an arithmetic number, because the mean of its divisors is an integer number (495040).

Almost surely, 2^3431239 is an apocalyptic number.

3431239 is a deficient number, since it is larger than the sum of its proper divisors (529081).

3431239 is a wasteful number, since it uses less digits than its factorization.

3431239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4869.

The product of its digits is 1944, while the sum is 25.

The square root of 3431239 is about 1852.3603861020. The cubic root of 3431239 is about 150.8285849229.

The spelling of 3431239 in words is "three million, four hundred thirty-one thousand, two hundred thirty-nine".