38970065 has 16 divisors (see below), whose sum is σ = 48253008. Its totient is φ = 30191616.

The previous prime is 38970053. The next prime is 38970089. The reversal of 38970065 is 56007983.

It can be written as a sum of positive squares in 8 ways, for example, as 3066001 + 35904064 = 1751^2 + 5992^2 .

It is a cyclic number.

It is not a de Polignac number, because 38970065 - 2¹⁶ = 38904529 is a prime.

It is a super-2 number, since 2×38970065² = 3037331932208450, which contains 22 as substring.

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 Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 57569 + ... + 58241.

It is an arithmetic number, because the mean of its divisors is an integer number (3015813).

Almost surely, 2^38970065 is an apocalyptic number.

It is an amenable number.

38970065 is a deficient number, since it is larger than the sum of its proper divisors (9282943).

38970065 is a wasteful number, since it uses less digits than its factorization.

38970065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 38970065 is about 6242.6008201710. The cubic root of 38970065 is about 339.0343563536.

The spelling of 38970065 in words is "thirty-eight million, nine hundred seventy thousand, sixty-five".