34638565 has 16 divisors (see below), whose sum is σ = 45183600. Its totient is φ = 25339392.

The previous prime is 34638559. The next prime is 34638587. The reversal of 34638565 is 56583643.

It can be written as a sum of positive squares in 8 ways, for example, as 134689 + 34503876 = 367^2 + 5874^2 .

It is not a de Polignac number, because 34638565 - 2⁹ = 34638053 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, 4641 + ... + 9529.

It is an arithmetic number, because the mean of its divisors is an integer number (2823975).

Almost surely, 2^34638565 is an apocalyptic number.

It is an amenable number.

34638565 is a deficient number, since it is larger than the sum of its proper divisors (10545035).

34638565 is a wasteful number, since it uses less digits than its factorization.

34638565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016.

The product of its digits is 259200, while the sum is 40.

The square root of 34638565 is about 5885.4536783497. The cubic root of 34638565 is about 325.9767538344.

It can be divided in two parts, 346385 and 65, that multiplied together give a square (22515025 = 4745²).

The spelling of 34638565 in words is "thirty-four million, six hundred thirty-eight thousand, five hundred sixty-five".