239438541 has 4 divisors (see below), whose sum is σ = 319251392. Its totient is φ = 159625692.

The previous prime is 239438531. The next prime is 239438543. The reversal of 239438541 is 145834932.

239438541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 239438541 - 2⁵ = 239438509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 239438541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239438543) 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, 39906421 + ... + 39906426.

It is an arithmetic number, because the mean of its divisors is an integer number (79812848).

Almost surely, 2^239438541 is an apocalyptic number.

It is an amenable number.

239438541 is a deficient number, since it is larger than the sum of its proper divisors (79812851).

239438541 is an equidigital number, since it uses as much as digits as its factorization.

239438541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79812850.

The product of its digits is 103680, while the sum is 39.

The square root of 239438541 is about 15473.8017629799. The cubic root of 239438541 is about 620.9615162296.

The spelling of 239438541 in words is "two hundred thirty-nine million, four hundred thirty-eight thousand, five hundred forty-one".