4638565 has 16 divisors (see below), whose sum is σ = 5915520. Its totient is φ = 3481920.

The previous prime is 4638553. The next prime is 4638583. The reversal of 4638565 is 5658364.

It is not a de Polignac number, because 4638565 - 2⁵ = 4638533 is a prime.

It is a congruent number.

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, 14760 + ... + 15070.

It is an arithmetic number, because the mean of its divisors is an integer number (369720).

Almost surely, 2^4638565 is an apocalyptic number.

It is an amenable number.

4638565 is a deficient number, since it is larger than the sum of its proper divisors (1276955).

4638565 is a wasteful number, since it uses less digits than its factorization.

4638565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492.

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

The square root of 4638565 is about 2153.7328060834. The cubic root of 4638565 is about 166.7738222025.

The spelling of 4638565 in words is "four million, six hundred thirty-eight thousand, five hundred sixty-five".