5197686 has 32 divisors (see below), whose sum is σ = 11503968. Its totient is φ = 1555200.

The previous prime is 5197663. The next prime is 5197691. The reversal of 5197686 is 6867915.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1986 + ... + 3786.

It is an arithmetic number, because the mean of its divisors is an integer number (359499).

Almost surely, 2^5197686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5197686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5751984).

5197686 is an abundant number, since it is smaller than the sum of its proper divisors (6306282).

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

5197686 is a wasteful number, since it uses less digits than its factorization.

5197686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856.

The product of its digits is 90720, while the sum is 42.

The square root of 5197686 is about 2279.8434156757. The cubic root of 5197686 is about 173.2221188285. Note that the first 3 decimals are identical.

The spelling of 5197686 in words is "five million, one hundred ninety-seven thousand, six hundred eighty-six".