2010985 has 4 divisors (see below), whose sum is σ = 2413188. Its totient is φ = 1608784.

The previous prime is 2010977. The next prime is 2011003. The reversal of 2010985 is 5890102.

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 620944 + 1390041 = 788^2 + 1179^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010985 - 2³ = 2010977 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

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, 201094 + ... + 201103.

It is an arithmetic number, because the mean of its divisors is an integer number (603297).

2^2010985 is an apocalyptic number.

It is an amenable number.

2010985 is a deficient number, since it is larger than the sum of its proper divisors (402203).

2010985 is an equidigital number, since it uses as much as digits as its factorization.

2010985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402202.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 2010985 is about 1418.0920280433. The cubic root of 2010985 is about 126.2223544997. Note that the first 3 decimals are identical.

The spelling of 2010985 in words is "two million, ten thousand, nine hundred eighty-five".