2067987 has 8 divisors (see below), whose sum is σ = 2773440. Its totient is φ = 1370600.

The previous prime is 2067977. The next prime is 2067997. The reversal of 2067987 is 7897602.

It is an interprime number because it is at equal distance from previous prime (2067977) and next prime (2067997).

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

It is a cyclic number.

It is not a de Polignac number, because 2067987 - 2¹⁰ = 2066963 is a prime.

It is an Ulam number.

2067987 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2067937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1389 + ... + 2462.

It is an arithmetic number, because the mean of its divisors is an integer number (346680).

2^2067987 is an apocalyptic number.

2067987 is a deficient number, since it is larger than the sum of its proper divisors (705453).

2067987 is a wasteful number, since it uses less digits than its factorization.

2067987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 2067987 is about 1438.0497209763. The cubic root of 2067987 is about 127.4038644790.

The spelling of 2067987 in words is "two million, sixty-seven thousand, nine hundred eighty-seven".