38806439 has 16 divisors (see below), whose sum is σ = 45163008. Its totient is φ = 32659872.

The previous prime is 38806433. The next prime is 38806447. The reversal of 38806439 is 93460883.

It is not a de Polignac number, because 38806439 - 2²⁴ = 22029223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38806396 and 38806405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38806433) 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 15 ways as a sum of consecutive naturals, for example, 147422 + ... + 147684.

It is an arithmetic number, because the mean of its divisors is an integer number (2822688).

Almost surely, 2^38806439 is an apocalyptic number.

38806439 is a deficient number, since it is larger than the sum of its proper divisors (6356569).

38806439 is a wasteful number, since it uses less digits than its factorization.

38806439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 38806439 is about 6229.4814390927. The cubic root of 38806439 is about 338.5591825753.

The spelling of 38806439 in words is "thirty-eight million, eight hundred six thousand, four hundred thirty-nine".