38861065 has 8 divisors (see below), whose sum is σ = 49376520. Its totient is φ = 29260032.

The previous prime is 38861059. The next prime is 38861077. The reversal of 38861065 is 56016883.

It can be written as a sum of positive squares in 4 ways, for example, as 7991929 + 30869136 = 2827^2 + 5556^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 38861065 - 2⁷ = 38860937 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228510 + ... + 228679.

It is an arithmetic number, because the mean of its divisors is an integer number (6172065).

Almost surely, 2^38861065 is an apocalyptic number.

It is an amenable number.

38861065 is a deficient number, since it is larger than the sum of its proper divisors (10515455).

38861065 is a wasteful number, since it uses less digits than its factorization.

38861065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457211.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 38861065 is about 6233.8643713190. The cubic root of 38861065 is about 338.7179660435.

The spelling of 38861065 in words is "thirty-eight million, eight hundred sixty-one thousand, sixty-five".