38365 has 4 divisors (see below), whose sum is σ = 46044. Its totient is φ = 30688.

The previous prime is 38351. The next prime is 38371. The reversal of 38365 is 56383.

38365 = 138² + 139².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19044 + 19321 = 138^2 + 139^2 .

It is a cyclic number.

It is not a de Polignac number, because 38365 - 2⁵ = 38333 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3832 + ... + 3841.

It is an arithmetic number, because the mean of its divisors is an integer number (11511).

2³⁸³⁶⁵ is an apocalyptic number.

38365 is the 139-th centered square number.

It is an amenable number.

38365 is a deficient number, since it is larger than the sum of its proper divisors (7679).

38365 is an equidigital number, since it uses as much as digits as its factorization.

38365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7678.

The product of its digits is 2160, while the sum is 25.

The square root of 38365 is about 195.8698547505. The cubic root of 38365 is about 33.7270534466.

The spelling of 38365 in words is "thirty-eight thousand, three hundred sixty-five".