2180087 has 8 divisors (see below), whose sum is σ = 2683296. Its totient is φ = 1724832.

The previous prime is 2180083. The next prime is 2180089. The reversal of 2180087 is 7800812.

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 2180087 - 2² = 2180083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180083) 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, 11888 + ... + 12069.

It is an arithmetic number, because the mean of its divisors is an integer number (335412).

2^2180087 is an apocalyptic number.

2180087 is a deficient number, since it is larger than the sum of its proper divisors (503209).

2180087 is a wasteful number, since it uses less digits than its factorization.

2180087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23977.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 2180087 is about 1476.5117676470. The cubic root of 2180087 is about 129.6655505602.

Adding to 2180087 its reverse (7800812), we get a palindrome (9980899).

It can be divided in two parts, 21 and 80087, that added together give a palindrome (80108).

The spelling of 2180087 in words is "two million, one hundred eighty thousand, eighty-seven".