5287844 has 6 divisors (see below), whose sum is σ = 9253734. Its totient is φ = 2643920.

The previous prime is 5287837. The next prime is 5287859. The reversal of 5287844 is 4487825.

It can be written as a sum of positive squares in only one way, i.e., 5234944 + 52900 = 2288^2 + 230^2 .

It is a super-2 number, since 2×5287844² = 55922588336672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5287798 and 5287807.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 660977 + ... + 660984.

It is an arithmetic number, because the mean of its divisors is an integer number (1542289).

Almost surely, 2^5287844 is an apocalyptic number.

It is an amenable number.

5287844 is a deficient number, since it is larger than the sum of its proper divisors (3965890).

5287844 is a wasteful number, since it uses less digits than its factorization.

5287844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321965 (or 1321963 counting only the distinct ones).

The product of its digits is 71680, while the sum is 38.

The square root of 5287844 is about 2299.5312565825. The cubic root of 5287844 is about 174.2179415535.

The spelling of 5287844 in words is "five million, two hundred eighty-seven thousand, eight hundred forty-four".