38699439 has 16 divisors (see below), whose sum is σ = 53775360. Its totient is φ = 24727680.

The previous prime is 38699413. The next prime is 38699443. The reversal of 38699439 is 93499683.

38699439 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 38699439 - 2¹⁷ = 38568367 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38699391 and 38699400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38699459) 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 15 ways as a sum of consecutive naturals, for example, 8007 + ... + 11895.

It is an arithmetic number, because the mean of its divisors is an integer number (3360960).

Almost surely, 2^38699439 is an apocalyptic number.

38699439 is a deficient number, since it is larger than the sum of its proper divisors (15075921).

38699439 is a wasteful number, since it uses less digits than its factorization.

38699439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4030.

The product of its digits is 1259712, while the sum is 51.

The square root of 38699439 is about 6220.8873161310. The cubic root of 38699439 is about 338.2477292923.

The spelling of 38699439 in words is "thirty-eight million, six hundred ninety-nine thousand, four hundred thirty-nine".