38668601 has 4 divisors (see below), whose sum is σ = 38688804. Its totient is φ = 38648400.

The previous prime is 38668577. The next prime is 38668603. The reversal of 38668601 is 10686683.

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 34527376 + 4141225 = 5876^2 + 2035^2 .

It is a cyclic number.

It is not a de Polignac number, because 38668601 - 2¹⁸ = 38406457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38668603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6890 + ... + 11171.

It is an arithmetic number, because the mean of its divisors is an integer number (9672201).

Almost surely, 2^38668601 is an apocalyptic number.

It is an amenable number.

38668601 is a deficient number, since it is larger than the sum of its proper divisors (20203).

38668601 is a wasteful number, since it uses less digits than its factorization.

38668601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20202.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 38668601 is about 6218.4082368400. The cubic root of 38668601 is about 338.1578601571.

The spelling of 38668601 in words is "thirty-eight million, six hundred sixty-eight thousand, six hundred one".