38939385 has 16 divisors (see below), whose sum is σ = 62529984. Its totient is φ = 20692032.

The previous prime is 38939371. The next prime is 38939393. The reversal of 38939385 is 58393983.

38939385 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 38939385 - 2¹⁷ = 38808313 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 342 + ... + 8831.

It is an arithmetic number, because the mean of its divisors is an integer number (3908124).

Almost surely, 2^38939385 is an apocalyptic number.

It is an amenable number.

38939385 is a deficient number, since it is larger than the sum of its proper divisors (23590599).

38939385 is a wasteful number, since it uses less digits than its factorization.

38939385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9464.

The product of its digits is 699840, while the sum is 48.

The square root of 38939385 is about 6240.1430272070. The cubic root of 38939385 is about 338.9453623624.

The spelling of 38939385 in words is "thirty-eight million, nine hundred thirty-nine thousand, three hundred eighty-five".