5144664 has 64 divisors (see below), whose sum is σ = 14883840. Its totient is φ = 1451520.

The previous prime is 5144653. The next prime is 5144669. The reversal of 5144664 is 4664415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5144669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18849 + ... + 19119.

It is an arithmetic number, because the mean of its divisors is an integer number (232560).

Almost surely, 2^5144664 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 5144664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7441920).

5144664 is an abundant number, since it is smaller than the sum of its proper divisors (9739176).

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

5144664 is a wasteful number, since it uses less digits than its factorization.

5144664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 396 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 5144664 is about 2268.1851776255. The cubic root of 5144664 is about 172.6310870839.

Subtracting from 5144664 its reverse (4664415), we obtain a square (480249 = 693²).

The spelling of 5144664 in words is "five million, one hundred forty-four thousand, six hundred sixty-four".