2160387 has 6 divisors (see below), whose sum is σ = 3120572. Its totient is φ = 1440252.

The previous prime is 2160383. The next prime is 2160391. The reversal of 2160387 is 7830612.

It is an interprime number because it is at equal distance from previous prime (2160383) and next prime (2160391).

It is not a de Polignac number, because 2160387 - 2² = 2160383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2160387.

It is not an unprimeable number, because it can be changed into a prime (2160383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120013 + ... + 120030.

2^2160387 is an apocalyptic number.

2160387 is a deficient number, since it is larger than the sum of its proper divisors (960185).

2160387 is a wasteful number, since it uses less digits than its factorization.

2160387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240049 (or 240046 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2160387 is about 1469.8254998468. The cubic root of 2160387 is about 129.2738009985.

Adding to 2160387 its reverse (7830612), we get a palindrome (9990999).

The spelling of 2160387 in words is "two million, one hundred sixty thousand, three hundred eighty-seven".