5099891 has 4 divisors (see below), whose sum is σ = 5126784. Its totient is φ = 5073000.

The previous prime is 5099879. The next prime is 5099893. The reversal of 5099891 is 1989905.

5099891 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1989905 = 5 ⋅397981.

It is a cyclic number.

It is not a de Polignac number, because 5099891 - 2⁶ = 5099827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5099893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13160 + ... + 13541.

It is an arithmetic number, because the mean of its divisors is an integer number (1281696).

Almost surely, 2^5099891 is an apocalyptic number.

5099891 is a deficient number, since it is larger than the sum of its proper divisors (26893).

5099891 is a wasteful number, since it uses less digits than its factorization.

5099891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26892.

The product of its (nonzero) digits is 29160, while the sum is 41.

The square root of 5099891 is about 2258.2938249927. The cubic root of 5099891 is about 172.1288357778.

The spelling of 5099891 in words is "five million, ninety-nine thousand, eight hundred ninety-one".