2067985 has 4 divisors (see below), whose sum is σ = 2481588. Its totient is φ = 1654384.

The previous prime is 2067977. The next prime is 2067997. The reversal of 2067985 is 5897602.

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 1263376 + 804609 = 1124^2 + 897^2 .

It is a cyclic number.

It is not a de Polignac number, because 2067985 - 2³ = 2067977 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

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, 206794 + ... + 206803.

It is an arithmetic number, because the mean of its divisors is an integer number (620397).

2^2067985 is an apocalyptic number.

It is an amenable number.

2067985 is a deficient number, since it is larger than the sum of its proper divisors (413603).

2067985 is an equidigital number, since it uses as much as digits as its factorization.

2067985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413602.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2067985 is about 1438.0490255899. The cubic root of 2067985 is about 127.4038234072.

The spelling of 2067985 in words is "two million, sixty-seven thousand, nine hundred eighty-five".