5179644 has 18 divisors (see below), whose sum is σ = 13093080. Its totient is φ = 1726536.

The previous prime is 5179639. The next prime is 5179649. The reversal of 5179644 is 4469715.

5179644 is a `hidden beast` number, since 5 + 1 + 7 + 9 + 644 = 666.

It is an interprime number because it is at equal distance from previous prime (5179639) and next prime (5179649).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 143879 = 5179644 / (5 + 1 + 7 + 9 + 6 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 5179599 and 5179608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5179649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71904 + ... + 71975.

Almost surely, 2^5179644 is an apocalyptic number.

It is an amenable number.

5179644 is an abundant number, since it is smaller than the sum of its proper divisors (7913436).

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

5179644 is a wasteful number, since it uses less digits than its factorization.

5179644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143889 (or 143884 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 5179644 is about 2275.8831252944. The cubic root of 5179644 is about 173.0214592423.

The spelling of 5179644 in words is "five million, one hundred seventy-nine thousand, six hundred forty-four".