38320839 has 36 divisors (see below), whose sum is σ = 60686496. Its totient is φ = 23210496.

The previous prime is 38320823. The next prime is 38320847. The reversal of 38320839 is 93802383.

38320839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38320839 - 2⁴ = 38320823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38320859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 524907 + ... + 524979.

It is an arithmetic number, because the mean of its divisors is an integer number (1685736).

Almost surely, 2^38320839 is an apocalyptic number.

38320839 is a deficient number, since it is larger than the sum of its proper divisors (22365657).

38320839 is a wasteful number, since it uses less digits than its factorization.

38320839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 38320839 is about 6190.3827829949. The cubic root of 38320839 is about 337.1410768654.

The spelling of 38320839 in words is "thirty-eight million, three hundred twenty thousand, eight hundred thirty-nine".