38275209 has 24 divisors (see below), whose sum is σ = 63357632. Its totient is φ = 21811680.

The previous prime is 38275207. The next prime is 38275213. The reversal of 38275209 is 90257283.

It is a happy number.

38275209 is a `hidden beast` number, since 382 + 75 + 209 = 666.

It is not a de Polignac number, because 38275209 - 2¹ = 38275207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38275207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33522 + ... + 34644.

Almost surely, 2^38275209 is an apocalyptic number.

It is an amenable number.

38275209 is a deficient number, since it is larger than the sum of its proper divisors (25082423).

38275209 is a wasteful number, since it uses less digits than its factorization.

38275209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677 (or 1674 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 38275209 is about 6186.6961295994. The cubic root of 38275209 is about 337.0072083857.

The spelling of 38275209 in words is "thirty-eight million, two hundred seventy-five thousand, two hundred nine".