38992 has 10 divisors (see below), whose sum is σ = 75578. Its totient is φ = 19488.

The previous prime is 38977. The next prime is 38993. The reversal of 38992 is 29983.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 38416 + 576 = 196^2 + 24^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1203 + ... + 1234.

2³⁸⁹⁹² is an apocalyptic number.

It is an amenable number.

38992 is a deficient number, since it is larger than the sum of its proper divisors (36586).

38992 is a wasteful number, since it uses less digits than its factorization.

38992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445 (or 2439 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 38992 is about 197.4639207552. The cubic root of 38992 is about 33.9097954945.

Subtracting from 38992 its reverse (29983), we obtain a palindrome (9009).

The spelling of 38992 in words is "thirty-eight thousand, nine hundred ninety-two".