5178432 has 56 divisors (see below), whose sum is σ = 15662656. Its totient is φ = 1479168.

The previous prime is 5178419. The next prime is 5178487. The reversal of 5178432 is 2348715.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 5178432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583 + ... + 3270.

Almost surely, 2^5178432 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 5178432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7831328).

5178432 is an abundant number, since it is smaller than the sum of its proper divisors (10484224).

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

5178432 is a wasteful number, since it uses less digits than its factorization.

5178432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3875 (or 3865 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 5178432 is about 2275.6168394525. The cubic root of 5178432 is about 173.0079629244.

The spelling of 5178432 in words is "five million, one hundred seventy-eight thousand, four hundred thirty-two".