3225040 has 80 divisors (see below), whose sum is σ = 9249408. Its totient is φ = 1018368.

The previous prime is 3225029. The next prime is 3225071. The reversal of 3225040 is 405223.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 7059 + ... + 7501.

Almost surely, 2^3225040 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 3225040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4624704).

3225040 is an abundant number, since it is smaller than the sum of its proper divisors (6024368).

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

3225040 is a wasteful number, since it uses less digits than its factorization.

3225040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 3225040 is about 1795.8396364932. The cubic root of 3225040 is about 147.7446290097.

The spelling of 3225040 in words is "three million, two hundred twenty-five thousand, forty".