38508997 has 4 divisors (see below), whose sum is σ = 38521440. Its totient is φ = 38496556.

The previous prime is 38508989. The next prime is 38509001. The reversal of 38508997 is 79980583.

38508997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 38508997 - 2³ = 38508989 is a prime.

It is a Smith number, since the sum of its digits (49) 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 a self number, because there is not a number n which added to its sum of digits gives 38508997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38508907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2454 + ... + 9112.

It is an arithmetic number, because the mean of its divisors is an integer number (9630360).

Almost surely, 2^38508997 is an apocalyptic number.

It is an amenable number.

38508997 is a deficient number, since it is larger than the sum of its proper divisors (12443).

38508997 is an equidigital number, since it uses as much as digits as its factorization.

38508997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12442.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 38508997 is about 6205.5617795652. The cubic root of 38508997 is about 337.6919716262.

The spelling of 38508997 in words is "thirty-eight million, five hundred eight thousand, nine hundred ninety-seven".