3056661 has 12 divisors (see below), whose sum is σ = 4437888. Its totient is φ = 2027304.

The previous prime is 3056657. The next prime is 3056671. The reversal of 3056661 is 1666503.

It is not a de Polignac number, because 3056661 - 2² = 3056657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3056611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1246 + ... + 2768.

It is an arithmetic number, because the mean of its divisors is an integer number (369824).

Almost surely, 2^3056661 is an apocalyptic number.

It is an amenable number.

3056661 is a deficient number, since it is larger than the sum of its proper divisors (1381227).

3056661 is a wasteful number, since it uses less digits than its factorization.

3056661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752 (or 1749 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 3056661 is about 1748.3309183333. The cubic root of 3056661 is about 145.1272921048.

The spelling of 3056661 in words is "three million, fifty-six thousand, six hundred sixty-one".