5855987 has 8 divisors (see below), whose sum is σ = 6004656. Its totient is φ = 5709312.

The previous prime is 5855981. The next prime is 5856013. The reversal of 5855987 is 7895585.

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 5855987 - 2¹⁶ = 5790451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5855981) 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, 6668 + ... + 7494.

It is an arithmetic number, because the mean of its divisors is an integer number (750582).

Almost surely, 2^5855987 is an apocalyptic number.

5855987 is a deficient number, since it is larger than the sum of its proper divisors (148669).

5855987 is an equidigital number, since it uses as much as digits as its factorization.

5855987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997.

The product of its digits is 504000, while the sum is 47.

The square root of 5855987 is about 2419.9146679170. The cubic root of 5855987 is about 180.2464422714.

The spelling of 5855987 in words is "five million, eight hundred fifty-five thousand, nine hundred eighty-seven".