2087155 has 16 divisors (see below), whose sum is σ = 2923200. Its totient is φ = 1430016.

The previous prime is 2087147. The next prime is 2087161. The reversal of 2087155 is 5517802.

It is not a de Polignac number, because 2087155 - 2³ = 2087147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1107 + ... + 2323.

It is an arithmetic number, because the mean of its divisors is an integer number (182700).

2^2087155 is an apocalyptic number.

2087155 is a deficient number, since it is larger than the sum of its proper divisors (836045).

2087155 is an equidigital number, since it uses as much as digits as its factorization.

2087155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 2087155 is about 1444.6989305734. The cubic root of 2087155 is about 127.7962864738.

The spelling of 2087155 in words is "two million, eighty-seven thousand, one hundred fifty-five".