3025640 has 16 divisors (see below), whose sum is σ = 6807780. Its totient is φ = 1210240.

The previous prime is 3025619. The next prime is 3025651. The reversal of 3025640 is 465203.

3025640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2748964 + 276676 = 1658^2 + 526^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37781 + ... + 37860.

Almost surely, 2^3025640 is an apocalyptic number.

It is an amenable number.

3025640 is an abundant number, since it is smaller than the sum of its proper divisors (3782140).

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

3025640 is a wasteful number, since it uses less digits than its factorization.

3025640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75652 (or 75648 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3025640 is about 1739.4366904260. The cubic root of 3025640 is about 144.6346728809.

The spelling of 3025640 in words is "three million, twenty-five thousand, six hundred forty".