38806686 has 24 divisors (see below), whose sum is σ = 84829680. Its totient is φ = 12820416.

The previous prime is 38806667. The next prime is 38806697. The reversal of 38806686 is 68660883.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7506 + ... + 11573.

It is an arithmetic number, because the mean of its divisors is an integer number (3534570).

Almost surely, 2^38806686 is an apocalyptic number.

38806686 is an abundant number, since it is smaller than the sum of its proper divisors (46022994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38806686 is a wasteful number, since it uses less digits than its factorization.

38806686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19200 (or 19197 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 38806686 is about 6229.5012641463. The cubic root of 38806686 is about 338.5599008749.

The spelling of 38806686 in words is "thirty-eight million, eight hundred six thousand, six hundred eighty-six".