5178644 has 12 divisors (see below), whose sum is σ = 9124500. Its totient is φ = 2571648.

The previous prime is 5178629. The next prime is 5178647. The reversal of 5178644 is 4468715.

5178644 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2656900 + 2521744 = 1630^2 + 1588^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5178647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3749 + ... + 4940.

It is an arithmetic number, because the mean of its divisors is an integer number (760375).

Almost surely, 2^5178644 is an apocalyptic number.

It is an amenable number.

5178644 is a deficient number, since it is larger than the sum of its proper divisors (3945856).

5178644 is a wasteful number, since it uses less digits than its factorization.

5178644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8842 (or 8840 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 5178644 is about 2275.6634197526. The cubic root of 5178644 is about 173.0103238184.

The spelling of 5178644 in words is "five million, one hundred seventy-eight thousand, six hundred forty-four".