3449240 has 32 divisors (see below), whose sum is σ = 7912080. Its totient is φ = 1352832.

The previous prime is 3449239. The next prime is 3449261. The reversal of 3449240 is 429443.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1307 + ... + 2933.

Almost surely, 2^3449240 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 3449240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3956040).

3449240 is an abundant number, since it is smaller than the sum of its proper divisors (4462840).

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

3449240 is a wasteful number, since it uses less digits than its factorization.

3449240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691 (or 1687 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 3449240 is about 1857.2129657096. The cubic root of 3449240 is about 151.0918844883.

The spelling of 3449240 in words is "three million, four hundred forty-nine thousand, two hundred forty".