38969855 has 16 divisors (see below), whose sum is σ = 49420800. Its totient is φ = 29417760.

The previous prime is 38969849. The next prime is 38969857. The reversal of 38969855 is 55896983.

It is not a de Polignac number, because 38969855 - 2⁴ = 38969839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38969797 and 38969806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38969857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28886 + ... + 30204.

It is an arithmetic number, because the mean of its divisors is an integer number (3088800).

Almost surely, 2^38969855 is an apocalyptic number.

38969855 is a deficient number, since it is larger than the sum of its proper divisors (10450945).

38969855 is a wasteful number, since it uses less digits than its factorization.

38969855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654.

The product of its digits is 2332800, while the sum is 53.

The square root of 38969855 is about 6242.5840002358. The cubic root of 38969855 is about 339.0337473619.

The spelling of 38969855 in words is "thirty-eight million, nine hundred sixty-nine thousand, eight hundred fifty-five".