43238269 has 4 divisors (see below), whose sum is σ = 43759296. Its totient is φ = 42717244.

The previous prime is 43238257. The next prime is 43238287. The reversal of 43238269 is 96283234.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96283234 = 2 ⋅48141617.

It is a cyclic number.

It is not a de Polignac number, because 43238269 - 2¹⁵ = 43205501 is a prime.

It is a super-2 number, since 2×43238269² = 3739095812232722, 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 (43238669) 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, 260389 + ... + 260554.

It is an arithmetic number, because the mean of its divisors is an integer number (10939824).

Almost surely, 2^43238269 is an apocalyptic number.

It is an amenable number.

43238269 is a deficient number, since it is larger than the sum of its proper divisors (521027).

43238269 is an equidigital number, since it uses as much as digits as its factorization.

43238269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521026.

The product of its digits is 62208, while the sum is 37.

The square root of 43238269 is about 6575.5812670820. The cubic root of 43238269 is about 350.9857084086.

The spelling of 43238269 in words is "forty-three million, two hundred thirty-eight thousand, two hundred sixty-nine".