5311644 has 48 divisors (see below), whose sum is σ = 13547520. Its totient is φ = 1609920.

The previous prime is 5311601. The next prime is 5311651. The reversal of 5311644 is 4461135.

It is a super-3 number, since 3×5311644³ (a number of 21 digits) contains 333 as substring.

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, 12109 + ... + 12539.

It is an arithmetic number, because the mean of its divisors is an integer number (282240).

Almost surely, 2^5311644 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 5311644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6773760).

5311644 is an abundant number, since it is smaller than the sum of its proper divisors (8235876).

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

5311644 is a wasteful number, since it uses less digits than its factorization.

5311644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 528 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 5311644 is about 2304.7004143706. The cubic root of 5311644 is about 174.4789289369.

Adding to 5311644 its reverse (4461135), we get a palindrome (9772779).

The spelling of 5311644 in words is "five million, three hundred eleven thousand, six hundred forty-four".