38975691 has 8 divisors (see below), whose sum is σ = 52035984. Its totient is φ = 25949600.

The previous prime is 38975687. The next prime is 38975693. The reversal of 38975691 is 19657983.

38975691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38975691 - 2² = 38975687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38975691.

It is not an unprimeable number, because it can be changed into a prime (38975693) 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 7 ways as a sum of consecutive naturals, for example, 5760 + ... + 10541.

It is an arithmetic number, because the mean of its divisors is an integer number (6504498).

Almost surely, 2^38975691 is an apocalyptic number.

38975691 is a deficient number, since it is larger than the sum of its proper divisors (13060293).

38975691 is a wasteful number, since it uses less digits than its factorization.

38975691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17101.

The product of its digits is 408240, while the sum is 48.

The square root of 38975691 is about 6243.0514173760. The cubic root of 38975691 is about 339.0506707179.

The spelling of 38975691 in words is "thirty-eight million, nine hundred seventy-five thousand, six hundred ninety-one".