2010644 has 12 divisors (see below), whose sum is σ = 3530100. Its totient is φ = 1002048.

The previous prime is 2010611. The next prime is 2010647. The reversal of 2010644 is 4460102.

It can be written as a sum of positive squares in 2 ways, for example, as 1926544 + 84100 = 1388^2 + 290^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022 + ... + 2250.

It is an arithmetic number, because the mean of its divisors is an integer number (294175).

2^2010644 is an apocalyptic number.

It is an amenable number.

2010644 is a deficient number, since it is larger than the sum of its proper divisors (1519456).

2010644 is a wasteful number, since it uses less digits than its factorization.

2010644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642 (or 1640 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2010644 is about 1417.9717909747. The cubic root of 2010644 is about 126.2152196452.

Adding to 2010644 its reverse (4460102), we get a palindrome (6470746).

The spelling of 2010644 in words is "two million, ten thousand, six hundred forty-four".