2160987 has 8 divisors (see below), whose sum is σ = 2951760. Its totient is φ = 1405440.

The previous prime is 2160971. The next prime is 2160997. The reversal of 2160987 is 7890612.

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

It is not a de Polignac number, because 2160987 - 2⁴ = 2160971 is a prime.

2160987 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160937) 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, 8662 + ... + 8907.

It is an arithmetic number, because the mean of its divisors is an integer number (368970).

2^2160987 is an apocalyptic number.

2160987 is a deficient number, since it is larger than the sum of its proper divisors (790773).

2160987 is a wasteful number, since it uses less digits than its factorization.

2160987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17613.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 2160987 is about 1470.0295915389. The cubic root of 2160987 is about 129.2857675430.

The spelling of 2160987 in words is "two million, one hundred sixty thousand, nine hundred eighty-seven".