3066656 has 24 divisors (see below), whose sum is σ = 6168960. Its totient is φ = 1499968.

The previous prime is 3066649. The next prime is 3066689. The reversal of 3066656 is 6566603.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 485 + ... + 2523.

It is an arithmetic number, because the mean of its divisors is an integer number (257040).

Almost surely, 2^3066656 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 3066656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3084480).

3066656 is an abundant number, since it is smaller than the sum of its proper divisors (3102304).

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

3066656 is a wasteful number, since it uses less digits than its factorization.

3066656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096 (or 2088 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 3066656 is about 1751.1870259912. The cubic root of 3066656 is about 145.2853042951.

The spelling of 3066656 in words is "three million, sixty-six thousand, six hundred fifty-six".