3084561 has 20 divisors (see below), whose sum is σ = 4662372. Its totient is φ = 2032128.

The previous prime is 3084511. The next prime is 3084569. The reversal of 3084561 is 1654803.

It can be written as a sum of positive squares in 2 ways, for example, as 342225 + 2742336 = 585^2 + 1656^2 .

It is not a de Polignac number, because 3084561 - 2⁹ = 3084049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3084569) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8985 + ... + 9321.

Almost surely, 2^3084561 is an apocalyptic number.

It is an amenable number.

3084561 is a deficient number, since it is larger than the sum of its proper divisors (1577811).

3084561 is a wasteful number, since it uses less digits than its factorization.

3084561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3084561 is about 1756.2918322420. The cubic root of 3084561 is about 145.5675103865.

The spelling of 3084561 in words is "three million, eighty-four thousand, five hundred sixty-one".