5639828 has 6 divisors (see below), whose sum is σ = 9869706. Its totient is φ = 2819912.

The previous prime is 5639813. The next prime is 5639831. The reversal of 5639828 is 8289365.

It can be written as a sum of positive squares in only one way, i.e., 4072324 + 1567504 = 2018^2 + 1252^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704975 + ... + 704982.

It is an arithmetic number, because the mean of its divisors is an integer number (1644951).

Almost surely, 2^5639828 is an apocalyptic number.

It is an amenable number.

5639828 is a deficient number, since it is larger than the sum of its proper divisors (4229878).

5639828 is a wasteful number, since it uses less digits than its factorization.

5639828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409961 (or 1409959 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 5639828 is about 2374.8322045989. The cubic root of 5639828 is about 178.0007995588. Note that the first 3 decimals are identical.

The spelling of 5639828 in words is "five million, six hundred thirty-nine thousand, eight hundred twenty-eight".