5639328 has 96 divisors (see below), whose sum is σ = 16873920. Its totient is φ = 1831680.

The previous prime is 5639327. The next prime is 5639357. The reversal of 5639328 is 8239365.

5639328 is a `hidden beast` number, since 563 + 93 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5639292 and 5639301.

It is not an unprimeable number, because it can be changed into a prime (5639327) 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, 52651 + ... + 52757.

It is an arithmetic number, because the mean of its divisors is an integer number (175770).

Almost surely, 2^5639328 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 5639328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8436960).

5639328 is an abundant number, since it is smaller than the sum of its proper divisors (11234592).

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

5639328 is a wasteful number, since it uses less digits than its factorization.

5639328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 173 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 5639328 is about 2374.7269316702. The cubic root of 5639328 is about 177.9955391720.

The spelling of 5639328 in words is "five million, six hundred thirty-nine thousand, three hundred twenty-eight".