38538269 has 32 divisors (see below), whose sum is σ = 51840000. Its totient is φ = 27728640.

The previous prime is 38538263. The next prime is 38538281. The reversal of 38538269 is 96283583.

It is a cyclic number.

It is not a de Polignac number, because 38538269 - 2²⁰ = 37489693 is a prime.

It is a super-2 number, since 2×38538269² = 2970396355032722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38538263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76982 + ... + 77480.

It is an arithmetic number, because the mean of its divisors is an integer number (1620000).

Almost surely, 2^38538269 is an apocalyptic number.

It is an amenable number.

38538269 is a deficient number, since it is larger than the sum of its proper divisors (13301731).

38538269 is a wasteful number, since it uses less digits than its factorization.

38538269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593.

The product of its digits is 311040, while the sum is 44.

The square root of 38538269 is about 6207.9198609518. The cubic root of 38538269 is about 337.7775136779. Note that the first 3 decimals are identical.

The spelling of 38538269 in words is "thirty-eight million, five hundred thirty-eight thousand, two hundred sixty-nine".