3045640 has 32 divisors (see below), whose sum is σ = 7381080. Its totient is φ = 1124352.

The previous prime is 3045631. The next prime is 3045661. The reversal of 3045640 is 465403.

It can be written as a sum of positive squares in 4 ways, for example, as 2617924 + 427716 = 1618^2 + 654^2 .

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, 2409 + ... + 3448.

Almost surely, 2^3045640 is an apocalyptic number.

It is an amenable number.

3045640 is an abundant number, since it is smaller than the sum of its proper divisors (4335440).

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

3045640 is a wasteful number, since it uses less digits than its factorization.

3045640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881 (or 5877 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 3045640 is about 1745.1762088683. The cubic root of 3045640 is about 144.9526599324.

The spelling of 3045640 in words is "three million, forty-five thousand, six hundred forty".