38239992 has 96 divisors (see below), whose sum is σ = 123598800. Its totient is φ = 10922688.

The previous prime is 38239969. The next prime is 38240011. The reversal of 38239992 is 29993283.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8778 + ... + 12390.

Almost surely, 2^38239992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38239992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61799400).

38239992 is an abundant number, since it is smaller than the sum of its proper divisors (85358808).

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

38239992 is a wasteful number, since it uses less digits than its factorization.

38239992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642 (or 3625 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 38239992 is about 6183.8492866499. The cubic root of 38239992 is about 336.9038166163.

The spelling of 38239992 in words is "thirty-eight million, two hundred thirty-nine thousand, nine hundred ninety-two".