3345040 has 20 divisors (see below), whose sum is σ = 7777404. Its totient is φ = 1337984.

The previous prime is 3345029. The next prime is 3345047. The reversal of 3345040 is 405433.

It can be written as a sum of positive squares in 2 ways, for example, as 746496 + 2598544 = 864^2 + 1612^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×3345040² = 22378585203200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3344999 and 3345017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3345047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20827 + ... + 20986.

Almost surely, 2^3345040 is an apocalyptic number.

It is an amenable number.

3345040 is an abundant number, since it is smaller than the sum of its proper divisors (4432364).

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

3345040 is a wasteful number, since it uses less digits than its factorization.

3345040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41826 (or 41820 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 3345040 is about 1828.9450511155. The cubic root of 3345040 is about 149.5548282694.

The spelling of 3345040 in words is "three million, three hundred forty-five thousand, forty".