38775165 has 32 divisors (see below), whose sum is σ = 72890496. Its totient is φ = 17352960.

The previous prime is 38775151. The next prime is 38775167. The reversal of 38775165 is 56157783.

It is not a de Polignac number, because 38775165 - 2¹⁵ = 38742397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38775167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6894 + ... + 11183.

It is an arithmetic number, because the mean of its divisors is an integer number (2277828).

Almost surely, 2^38775165 is an apocalyptic number.

It is an amenable number.

38775165 is a deficient number, since it is larger than the sum of its proper divisors (34115331).

38775165 is a wasteful number, since it uses less digits than its factorization.

38775165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18109.

The product of its digits is 176400, while the sum is 42.

The square root of 38775165 is about 6226.9707723740. The cubic root of 38775165 is about 338.4682101686.

The spelling of 38775165 in words is "thirty-eight million, seven hundred seventy-five thousand, one hundred sixty-five".