5091786 has 72 divisors (see below), whose sum is σ = 13444704. Its totient is φ = 1386000.

The previous prime is 5091769. The next prime is 5091797. The reversal of 5091786 is 6871905.

5091786 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 5091786.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20161 + ... + 20411.

It is an arithmetic number, because the mean of its divisors is an integer number (186732).

Almost surely, 2^5091786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5091786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6722352).

5091786 is an abundant number, since it is smaller than the sum of its proper divisors (8352918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5091786 is a wasteful number, since it uses less digits than its factorization.

5091786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 5091786 is about 2256.4986151115. The cubic root of 5091786 is about 172.0376021990.

The spelling of 5091786 in words is "five million, ninety-one thousand, seven hundred eighty-six".