38939269 has 4 divisors (see below), whose sum is σ = 39296620. Its totient is φ = 38581920.

The previous prime is 38939267. The next prime is 38939273. The reversal of 38939269 is 96293983.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96293983 = 4987 ⋅19309.

It can be written as a sum of positive squares in 2 ways, for example, as 33930625 + 5008644 = 5825^2 + 2238^2 .

It is a cyclic number.

It is not a de Polignac number, because 38939269 - 2¹ = 38939267 is a prime.

It is a super-2 number, since 2×38939269² = 3032533340508722, 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 (38939267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178512 + ... + 178729.

It is an arithmetic number, because the mean of its divisors is an integer number (9824155).

Almost surely, 2^38939269 is an apocalyptic number.

It is an amenable number.

38939269 is a deficient number, since it is larger than the sum of its proper divisors (357351).

38939269 is a wasteful number, since it uses less digits than its factorization.

38939269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357350.

The product of its digits is 629856, while the sum is 49.

The square root of 38939269 is about 6240.1337325413. The cubic root of 38939269 is about 338.9450257905.

The spelling of 38939269 in words is "thirty-eight million, nine hundred thirty-nine thousand, two hundred sixty-nine".