3240839 has 8 divisors (see below), whose sum is σ = 3714720. Its totient is φ = 2769696.

The previous prime is 3240767. The next prime is 3240841. The reversal of 3240839 is 9380423.

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 3240839 - 2¹² = 3236743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240739) 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, 4217 + ... + 4925.

It is an arithmetic number, because the mean of its divisors is an integer number (464340).

Almost surely, 2^3240839 is an apocalyptic number.

3240839 is a deficient number, since it is larger than the sum of its proper divisors (473881).

3240839 is an equidigital number, since it uses as much as digits as its factorization.

3240839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 3240839 is about 1800.2330404700. The cubic root of 3240839 is about 147.9854959003.

The spelling of 3240839 in words is "three million, two hundred forty thousand, eight hundred thirty-nine".