2010639 has 8 divisors (see below), whose sum is σ = 2717872. Its totient is φ = 1321920.

The previous prime is 2010611. The next prime is 2010647. The reversal of 2010639 is 9360102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2010639 - 2¹⁷ = 1879567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010689) 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 7 ways as a sum of consecutive naturals, for example, 4372 + ... + 4809.

It is an arithmetic number, because the mean of its divisors is an integer number (339734).

2^2010639 is an apocalyptic number.

2010639 is a deficient number, since it is larger than the sum of its proper divisors (707233).

2010639 is an equidigital number, since it uses as much as digits as its factorization.

2010639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9257.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 2010639 is about 1417.9700278920. The cubic root of 2010639 is about 126.2151150226.

The spelling of 2010639 in words is "two million, ten thousand, six hundred thirty-nine".