38604686 has 4 divisors (see below), whose sum is σ = 57907032. Its totient is φ = 19302342.

The previous prime is 38604679. The next prime is 38604689. The reversal of 38604686 is 68640683.

38604686 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 an emirpimes, since its reverse is a distinct semiprime: 68640683 = 41 ⋅1674163.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38604689) 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 as a sum of consecutive naturals, namely, 9651170 + ... + 9651173.

It is an arithmetic number, because the mean of its divisors is an integer number (14476758).

Almost surely, 2^38604686 is an apocalyptic number.

38604686 is a deficient number, since it is larger than the sum of its proper divisors (19302346).

38604686 is a wasteful number, since it uses less digits than its factorization.

38604686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19302345.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 38604686 is about 6213.2669345522. The cubic root of 38604686 is about 337.9714446658.

The spelling of 38604686 in words is "thirty-eight million, six hundred four thousand, six hundred eighty-six".