38803565 has 16 divisors (see below), whose sum is σ = 48039600. Its totient is φ = 30067200.

The previous prime is 38803547. The next prime is 38803573. The reversal of 38803565 is 56530883.

It can be written as a sum of positive squares in 8 ways, for example, as 7823209 + 30980356 = 2797^2 + 5566^2 .

It is not a de Polignac number, because 38803565 - 2⁸ = 38803309 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 64265 + ... + 64865.

It is an arithmetic number, because the mean of its divisors is an integer number (3002475).

Almost surely, 2^38803565 is an apocalyptic number.

It is an amenable number.

38803565 is a deficient number, since it is larger than the sum of its proper divisors (9236035).

38803565 is a wasteful number, since it uses less digits than its factorization.

38803565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 38803565 is about 6229.2507575149. The cubic root of 38803565 is about 338.5508244855.

The spelling of 38803565 in words is "thirty-eight million, eight hundred three thousand, five hundred sixty-five".