38304565 has 16 divisors (see below), whose sum is σ = 49715568. Its totient is φ = 28164096.

The previous prime is 38304559. The next prime is 38304593. The reversal of 38304565 is 56540383.

38304565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 75076 + 38229489 = 274^2 + 6183^2 .

It is a cyclic number.

It is not a de Polignac number, because 38304565 - 2³ = 38304557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38304565.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15559 + ... + 17851.

It is an arithmetic number, because the mean of its divisors is an integer number (3107223).

Almost surely, 2^38304565 is an apocalyptic number.

It is an amenable number.

38304565 is a deficient number, since it is larger than the sum of its proper divisors (11411003).

38304565 is a wasteful number, since it uses less digits than its factorization.

38304565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 38304565 is about 6189.0681851148. The cubic root of 38304565 is about 337.0933446924.

The spelling of 38304565 in words is "thirty-eight million, three hundred four thousand, five hundred sixty-five".