38131269 has 16 divisors (see below), whose sum is σ = 55987200. Its totient is φ = 22891760.

The previous prime is 38131267. The next prime is 38131297. The reversal of 38131269 is 96213183.

It is a cyclic number.

It is not a de Polignac number, because 38131269 - 2¹ = 38131267 is a prime.

It is a super-2 number, since 2×38131269² = 2907987351100722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38131267) 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, 1869 + ... + 8930.

It is an arithmetic number, because the mean of its divisors is an integer number (3499200).

Almost surely, 2^38131269 is an apocalyptic number.

It is an amenable number.

38131269 is a deficient number, since it is larger than the sum of its proper divisors (17855931).

38131269 is a wasteful number, since it uses less digits than its factorization.

38131269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10920.

The product of its digits is 7776, while the sum is 33.

The square root of 38131269 is about 6175.0521455288. The cubic root of 38131269 is about 336.5842213350.

The spelling of 38131269 in words is "thirty-eight million, one hundred thirty-one thousand, two hundred sixty-nine".