38503992 has 16 divisors (see below), whose sum is σ = 96260040. Its totient is φ = 12834656.

The previous prime is 38503991. The next prime is 38503999. The reversal of 38503992 is 29930583.

It is a self number, because there is not a number n which added to its sum of digits gives 38503992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38503991) 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, 802143 + ... + 802190.

Almost surely, 2^38503992 is an apocalyptic number.

It is an amenable number.

38503992 is an abundant number, since it is smaller than the sum of its proper divisors (57756048).

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

38503992 is a wasteful number, since it uses less digits than its factorization.

38503992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604342 (or 1604338 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 38503992 is about 6205.1584991844. The cubic root of 38503992 is about 337.6773410925.

The spelling of 38503992 in words is "thirty-eight million, five hundred three thousand, nine hundred ninety-two".