38229639 has 16 divisors (see below), whose sum is σ = 58410240. Its totient is φ = 21787200.

The previous prime is 38229593. The next prime is 38229641. The reversal of 38229639 is 93692283.

38229639 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 38229639 - 2⁸ = 38229383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38229639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38229649) 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, 6364 + ... + 10814.

It is an arithmetic number, because the mean of its divisors is an integer number (3650640).

Almost surely, 2^38229639 is an apocalyptic number.

38229639 is a deficient number, since it is larger than the sum of its proper divisors (20180601).

38229639 is a wasteful number, since it uses less digits than its factorization.

38229639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4870.

The product of its digits is 139968, while the sum is 42.

The square root of 38229639 is about 6183.0121300221. The cubic root of 38229639 is about 336.8734097058.

The spelling of 38229639 in words is "thirty-eight million, two hundred twenty-nine thousand, six hundred thirty-nine".