38628317 has 16 divisors (see below), whose sum is σ = 48518400. Its totient is φ = 30559536.

The previous prime is 38628307. The next prime is 38628329. The reversal of 38628317 is 71382683.

It is a happy number.

It is not a de Polignac number, because 38628317 - 2¹⁸ = 38366173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38628307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128 + ... + 8790.

It is an arithmetic number, because the mean of its divisors is an integer number (3032400).

Almost surely, 2^38628317 is an apocalyptic number.

It is an amenable number.

38628317 is a deficient number, since it is larger than the sum of its proper divisors (9890083).

38628317 is an equidigital number, since it uses as much as digits as its factorization.

38628317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8697 (or 8683 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 38628317 is about 6215.1683002152. The cubic root of 38628317 is about 338.0403911676.

The spelling of 38628317 in words is "thirty-eight million, six hundred twenty-eight thousand, three hundred seventeen".