5638465 has 16 divisors (see below), whose sum is σ = 7845120. Its totient is φ = 3810240.

The previous prime is 5638433. The next prime is 5638489. The reversal of 5638465 is 5648365.

It is not a de Polignac number, because 5638465 - 2⁵ = 5638433 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1351 + ... + 3619.

It is an arithmetic number, because the mean of its divisors is an integer number (490320).

Almost surely, 2^5638465 is an apocalyptic number.

It is an amenable number.

5638465 is a deficient number, since it is larger than the sum of its proper divisors (2206655).

5638465 is a wasteful number, since it uses less digits than its factorization.

5638465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352.

The product of its digits is 86400, while the sum is 37.

The square root of 5638465 is about 2374.5452196157. The cubic root of 5638465 is about 177.9864590128.

The spelling of 5638465 in words is "five million, six hundred thirty-eight thousand, four hundred sixty-five".