38270665 has 4 divisors (see below), whose sum is σ = 45924804. Its totient is φ = 30616528.

The previous prime is 38270657. The next prime is 38270669. The reversal of 38270665 is 56607283.

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 23853456 + 14417209 = 4884^2 + 3797^2 .

It is a cyclic number.

It is not a de Polignac number, because 38270665 - 2³ = 38270657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38270669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3827062 + ... + 3827071.

It is an arithmetic number, because the mean of its divisors is an integer number (11481201).

Almost surely, 2^38270665 is an apocalyptic number.

It is an amenable number.

38270665 is a deficient number, since it is larger than the sum of its proper divisors (7654139).

38270665 is an equidigital number, since it uses as much as digits as its factorization.

38270665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7654138.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 38270665 is about 6186.3288790687. The cubic root of 38270665 is about 336.9938714556.

The spelling of 38270665 in words is "thirty-eight million, two hundred seventy thousand, six hundred sixty-five".