39838313 has 4 divisors (see below), whose sum is σ = 40399488. Its totient is φ = 39277140.

The previous prime is 39838303. The next prime is 39838343. The reversal of 39838313 is 31383893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31383893 = 5011 ⋅6263.

It is a cyclic number.

It is not a de Polignac number, because 39838313 - 2¹⁰ = 39837289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39838303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280481 + ... + 280622.

It is an arithmetic number, because the mean of its divisors is an integer number (10099872).

Almost surely, 2^39838313 is an apocalyptic number.

It is an amenable number.

39838313 is a deficient number, since it is larger than the sum of its proper divisors (561175).

39838313 is an equidigital number, since it uses as much as digits as its factorization.

39838313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561174.

The product of its digits is 46656, while the sum is 38.

The square root of 39838313 is about 6311.7598972078. The cubic root of 39838313 is about 341.5337655891.

The spelling of 39838313 in words is "thirty-nine million, eight hundred thirty-eight thousand, three hundred thirteen".