38806565 has 8 divisors (see below), whose sum is σ = 53220480. Its totient is φ = 26610192.

The previous prime is 38806549. The next prime is 38806571. The reversal of 38806565 is 56560883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38806565 - 2⁴ = 38806549 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554345 + ... + 554414.

It is an arithmetic number, because the mean of its divisors is an integer number (6652560).

Almost surely, 2^38806565 is an apocalyptic number.

38806565 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38806565 is a deficient number, since it is larger than the sum of its proper divisors (14413915).

38806565 is a wasteful number, since it uses less digits than its factorization.

38806565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108771.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 38806565 is about 6229.4915522858. The cubic root of 38806565 is about 338.5595489957.

The spelling of 38806565 in words is "thirty-eight million, eight hundred six thousand, five hundred sixty-five".