3345440 has 96 divisors (see below), whose sum is σ = 9434880. Its totient is φ = 1096704.

The previous prime is 3345439. The next prime is 3345451. The reversal of 3345440 is 445433.

It is a happy number.

It is a super-2 number, since 2×3345440² = 22383937587200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32429 + ... + 32531.

It is an arithmetic number, because the mean of its divisors is an integer number (98280).

Almost surely, 2^3345440 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 3345440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4717440).

3345440 is an abundant number, since it is smaller than the sum of its proper divisors (6089440).

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

3345440 is a wasteful number, since it uses less digits than its factorization.

3345440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 3345440 is about 1829.0544005032. The cubic root of 3345440 is about 149.5607892890.

The spelling of 3345440 in words is "three million, three hundred forty-five thousand, four hundred forty".