2087186 has 4 divisors (see below), whose sum is σ = 3130782. Its totient is φ = 1043592.

The previous prime is 2087179. The next prime is 2087203. The reversal of 2087186 is 6817802.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1311025 + 776161 = 1145^2 + 881^2 .

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521795 + ... + 521798.

2^2087186 is an apocalyptic number.

2087186 is a deficient number, since it is larger than the sum of its proper divisors (1043596).

2087186 is a wasteful number, since it uses less digits than its factorization.

2087186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043595.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 2087186 is about 1444.7096594126. The cubic root of 2087186 is about 127.7969191796.

The spelling of 2087186 in words is "two million, eighty-seven thousand, one hundred eighty-six".