42338369 has 4 divisors (see below), whose sum is σ = 42396096. Its totient is φ = 42280644.

The previous prime is 42338357. The next prime is 42338389. The reversal of 42338369 is 96383324.

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.

It is a cyclic number.

It is not a de Polignac number, because 42338369 - 2⁴ = 42338353 is a prime.

It is a super-2 number, since 2×42338369² = 3585074979160322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42338339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27749 + ... + 29234.

It is an arithmetic number, because the mean of its divisors is an integer number (10599024).

Almost surely, 2^42338369 is an apocalyptic number.

It is an amenable number.

42338369 is a deficient number, since it is larger than the sum of its proper divisors (57727).

42338369 is an equidigital number, since it uses as much as digits as its factorization.

42338369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57726.

The product of its digits is 93312, while the sum is 38.

The square root of 42338369 is about 6506.7940646681. The cubic root of 42338369 is about 348.5336447492.

The spelling of 42338369 in words is "forty-two million, three hundred thirty-eight thousand, three hundred sixty-nine".