3066540 has 24 divisors (see below), whose sum is σ = 8586480. Its totient is φ = 817728.

The previous prime is 3066533. The next prime is 3066541. The reversal of 3066540 is 456603.

It is a self number, because there is not a number n which added to its sum of digits gives 3066540.

It is not an unprimeable number, because it can be changed into a prime (3066541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25495 + ... + 25614.

It is an arithmetic number, because the mean of its divisors is an integer number (357770).

Almost surely, 2^3066540 is an apocalyptic number.

3066540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3066540 is an abundant number, since it is smaller than the sum of its proper divisors (5519940).

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

3066540 is a wasteful number, since it uses less digits than its factorization.

3066540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51121 (or 51119 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 3066540 is about 1751.1539052865. The cubic root of 3066540 is about 145.2834724074.

The spelling of 3066540 in words is "three million, sixty-six thousand, five hundred forty".