2087165 has 8 divisors (see below), whose sum is σ = 2530008. Its totient is φ = 1652800.

The previous prime is 2087161. The next prime is 2087167. The reversal of 2087165 is 5617802.

It can be written as a sum of positive squares in 4 ways, for example, as 948676 + 1138489 = 974^2 + 1067^2 .

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

It is not a de Polignac number, because 2087165 - 2² = 2087161 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087161) 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, 1562 + ... + 2571.

It is an arithmetic number, because the mean of its divisors is an integer number (316251).

2^2087165 is an apocalyptic number.

It is an amenable number.

2087165 is a deficient number, since it is larger than the sum of its proper divisors (442843).

2087165 is a wasteful number, since it uses less digits than its factorization.

2087165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 2087165 is about 1444.7023914980. The cubic root of 2087165 is about 127.7964905731.

The spelling of 2087165 in words is "two million, eighty-seven thousand, one hundred sixty-five".