5247864 has 48 divisors (see below), whose sum is σ = 14835600. Its totient is φ = 1672704.

The previous prime is 5247793. The next prime is 5247871. The reversal of 5247864 is 4687425.

5247864 is a `hidden beast` number, since 524 + 78 + 64 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a d-powerful number, because it can be written as 5⁵ + 2 + 4¹⁰ + 7² + 8³ + 6⁴ + 4¹¹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72 + ... + 3240.

It is an arithmetic number, because the mean of its divisors is an integer number (309075).

Almost surely, 2^5247864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5247864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7417800).

5247864 is an abundant number, since it is smaller than the sum of its proper divisors (9587736).

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

5247864 is a wasteful number, since it uses less digits than its factorization.

5247864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204 (or 3197 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 5247864 is about 2290.8216866443. The cubic root of 5247864 is about 173.7777582758. Note that the first 4 decimals are identical.

The spelling of 5247864 in words is "five million, two hundred forty-seven thousand, eight hundred sixty-four".