3045520 has 20 divisors (see below), whose sum is σ = 7081020. Its totient is φ = 1218176.

The previous prime is 3045503. The next prime is 3045563. The reversal of 3045520 is 255403.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1517824 + 1527696 = 1232^2 + 1236^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18955 + ... + 19114.

It is an arithmetic number, because the mean of its divisors is an integer number (354051).

Almost surely, 2^3045520 is an apocalyptic number.

It is an amenable number.

3045520 is an abundant number, since it is smaller than the sum of its proper divisors (4035500).

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

3045520 is a wasteful number, since it uses less digits than its factorization.

3045520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38082 (or 38076 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 3045520 is about 1745.1418280472. The cubic root of 3045520 is about 144.9507561675.

The spelling of 3045520 in words is "three million, forty-five thousand, five hundred twenty".