2087847 has 12 divisors (see below), whose sum is σ = 3066024. Its totient is φ = 1368720.

The previous prime is 2087837. The next prime is 2087857. The reversal of 2087847 is 7487802.

It is an interprime number because it is at equal distance from previous prime (2087837) and next prime (2087857).

It is not a de Polignac number, because 2087847 - 2⁴ = 2087831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1353 + ... + 2450.

It is an arithmetic number, because the mean of its divisors is an integer number (255502).

2^2087847 is an apocalyptic number.

2087847 is a deficient number, since it is larger than the sum of its proper divisors (978177).

2087847 is a wasteful number, since it uses less digits than its factorization.

2087847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870 (or 3867 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 2087847 is about 1444.9384069918. The cubic root of 2087847 is about 127.8104086095.

The spelling of 2087847 in words is "two million, eighty-seven thousand, eight hundred forty-seven".