38996239 has 8 divisors (see below), whose sum is σ = 39526400. Its totient is φ = 38469816.

The previous prime is 38996219. The next prime is 38996281. The reversal of 38996239 is 93269983.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38996239 - 2⁹ = 38995727 is a prime.

It is a super-2 number, since 2×38996239² = 3041413312290242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38996192 and 38996201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38996219) 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 7 ways as a sum of consecutive naturals, for example, 24502 + ... + 26044.

It is an arithmetic number, because the mean of its divisors is an integer number (4940800).

Almost surely, 2^38996239 is an apocalyptic number.

38996239 is a deficient number, since it is larger than the sum of its proper divisors (530161).

38996239 is a wasteful number, since it uses less digits than its factorization.

38996239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869.

The product of its digits is 629856, while the sum is 49.

The square root of 38996239 is about 6244.6968701451. The cubic root of 38996239 is about 339.1102428003.

Subtracting from 38996239 its product of digits (629856), we obtain a palindrome (38366383).

The spelling of 38996239 in words is "thirty-eight million, nine hundred ninety-six thousand, two hundred thirty-nine".