2860885 has 4 divisors (see below), whose sum is σ = 3433068. Its totient is φ = 2288704.

The previous prime is 2860883. The next prime is 2860903. The reversal of 2860885 is 5880682.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 628849 + 2232036 = 793^2 + 1494^2 .

It is a cyclic number.

It is not a de Polignac number, because 2860885 - 2¹ = 2860883 is a prime.

It is a Duffinian number.

2860885 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2860883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286084 + ... + 286093.

It is an arithmetic number, because the mean of its divisors is an integer number (858267).

2^2860885 is an apocalyptic number.

It is an amenable number.

2860885 is a deficient number, since it is larger than the sum of its proper divisors (572183).

2860885 is an equidigital number, since it uses as much as digits as its factorization.

2860885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572182.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 2860885 is about 1691.4150880254. The cubic root of 2860885 is about 141.9602646210.

The spelling of 2860885 in words is "two million, eight hundred sixty thousand, eight hundred eighty-five".