5218432 has 32 divisors (see below), whose sum is σ = 10587600. Its totient is φ = 2561280.

The previous prime is 5218417. The next prime is 5218441. The reversal of 5218432 is 2348125.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 5218397 and 5218406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7207 + ... + 7897.

Almost surely, 2^5218432 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 5218432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5293800).

5218432 is an abundant number, since it is smaller than the sum of its proper divisors (5369168).

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

5218432 is an equidigital number, since it uses as much as digits as its factorization.

5218432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764 (or 752 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 5218432 is about 2284.3887585085. The cubic root of 5218432 is about 173.4522786476.

The spelling of 5218432 in words is "five million, two hundred eighteen thousand, four hundred thirty-two".