3439240 has 64 divisors (see below), whose sum is σ = 9020160. Its totient is φ = 1155840.

The previous prime is 3439237. The next prime is 3439283. The reversal of 3439240 is 429343.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19794 + ... + 19966.

It is an arithmetic number, because the mean of its divisors is an integer number (140940).

Almost surely, 2^3439240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3439240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4510080).

3439240 is an abundant number, since it is smaller than the sum of its proper divisors (5580920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3439240 is a wasteful number, since it uses less digits than its factorization.

3439240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 3439240 is about 1854.5188055126. The cubic root of 3439240 is about 150.9457284899.

The spelling of 3439240 in words is "three million, four hundred thirty-nine thousand, two hundred forty".