5087891 has 8 divisors (see below), whose sum is σ = 5251584. Its totient is φ = 4926600.

The previous prime is 5087869. The next prime is 5087893. The reversal of 5087891 is 1987805.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5087891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5087893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4316 + ... + 5366.

It is an arithmetic number, because the mean of its divisors is an integer number (656448).

Almost surely, 2^5087891 is an apocalyptic number.

5087891 is a deficient number, since it is larger than the sum of its proper divisors (163693).

5087891 is a wasteful number, since it uses less digits than its factorization.

5087891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 5087891 is about 2255.6353872025. The cubic root of 5087891 is about 171.9937238561.

The spelling of 5087891 in words is "five million, eighty-seven thousand, eight hundred ninety-one".