5638284 has 18 divisors (see below), whose sum is σ = 14252420. Its totient is φ = 1879416.

The previous prime is 5638277. The next prime is 5638313. The reversal of 5638284 is 4828365.

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: 156619 = 5638284 / (5 + 6 + 3 + 8 + 2 + 8 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78274 + ... + 78345.

Almost surely, 2^5638284 is an apocalyptic number.

It is an amenable number.

5638284 is an abundant number, since it is smaller than the sum of its proper divisors (8614136).

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

5638284 is a wasteful number, since it uses less digits than its factorization.

5638284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156629 (or 156624 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 5638284 is about 2374.5071067487. The cubic root of 5638284 is about 177.9845544819.

The spelling of 5638284 in words is "five million, six hundred thirty-eight thousand, two hundred eighty-four".