38493806936 has 16 divisors (see below), whose sum is σ = 77727879600. Its totient is φ = 17766372384.

The previous prime is 38493806933. The next prime is 38493806977. The reversal of 38493806936 is 63960839483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38493806933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185066276 + ... + 185066483.

It is an arithmetic number, because the mean of its divisors is an integer number (4857992475).

Almost surely, 2^38493806936 is an apocalyptic number.

It is an amenable number.

38493806936 is an abundant number, since it is smaller than the sum of its proper divisors (39234072664).

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

38493806936 is a wasteful number, since it uses less digits than its factorization.

38493806936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370132778 (or 370132774 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 59.

The spelling of 38493806936 in words is "thirty-eight billion, four hundred ninety-three million, eight hundred six thousand, nine hundred thirty-six".