2065870 has 32 divisors (see below), whose sum is σ = 3991680. Its totient is φ = 767520.

The previous prime is 2065841. The next prime is 2065879. The reversal of 2065870 is 785602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065879) 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 15 ways as a sum of consecutive naturals, for example, 15705 + ... + 15835.

It is an arithmetic number, because the mean of its divisors is an integer number (124740).

2^2065870 is an apocalyptic number.

2065870 is a deficient number, since it is larger than the sum of its proper divisors (1925810).

2065870 is a wasteful number, since it uses less digits than its factorization.

2065870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2065870 is about 1437.3134661583. The cubic root of 2065870 is about 127.3603751551.

The spelling of 2065870 in words is "two million, sixty-five thousand, eight hundred seventy".