2163087 has 12 divisors (see below), whose sum is σ = 3225664. Its totient is φ = 1395360.

The previous prime is 2163079. The next prime is 2163101. The reversal of 2163087 is 7803612.

2163087 is a `hidden beast` number, since 21 + 630 + 8 + 7 = 666.

It is not a de Polignac number, because 2163087 - 2³ = 2163079 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 2163087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3598 + ... + 4155.

2^2163087 is an apocalyptic number.

2163087 is a deficient number, since it is larger than the sum of its proper divisors (1062577).

2163087 is a wasteful number, since it uses less digits than its factorization.

2163087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7790 (or 7787 counting only the distinct ones).

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

The square root of 2163087 is about 1470.7436894306. The cubic root of 2163087 is about 129.3276330136.

Adding to 2163087 its reverse (7803612), we get a palindrome (9966699).

The spelling of 2163087 in words is "two million, one hundred sixty-three thousand, eighty-seven".