38384090686 has 16 divisors (see below), whose sum is σ = 59625170640. Its totient is φ = 18510448320.

The previous prime is 38384090677. The next prime is 38384090687. The reversal of 38384090686 is 68609048383.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38384090687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298800 + ... + 407491.

It is an arithmetic number, because the mean of its divisors is an integer number (3726573165).

Almost surely, 2^38384090686 is an apocalyptic number.

38384090686 is a deficient number, since it is larger than the sum of its proper divisors (21241079954).

38384090686 is a wasteful number, since it uses less digits than its factorization.

38384090686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707259.

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 38384090686 in words is "thirty-eight billion, three hundred eighty-four million, ninety thousand, six hundred eighty-six".