3600861 has 16 divisors (see below), whose sum is σ = 5514240. Its totient is φ = 2067120.

The previous prime is 3600853. The next prime is 3600881. The reversal of 3600861 is 1680063.

It is not a de Polignac number, because 3600861 - 2³ = 3600853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3600841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2245 + ... + 3498.

It is an arithmetic number, because the mean of its divisors is an integer number (344640).

Almost surely, 2^3600861 is an apocalyptic number.

It is an amenable number.

3600861 is a deficient number, since it is larger than the sum of its proper divisors (1913379).

3600861 is a wasteful number, since it uses less digits than its factorization.

3600861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5776.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 3600861 is about 1897.5934759584. The cubic root of 3600861 is about 153.2741038829.

The spelling of 3600861 in words is "three million, six hundred thousand, eight hundred sixty-one".