239394401 has 4 divisors (see below), whose sum is σ = 240717204. Its totient is φ = 238071600.

The previous prime is 239394377. The next prime is 239394443. The reversal of 239394401 is 104493932.

239394401 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.

It can be written as a sum of positive squares in 2 ways, for example, as 129982801 + 109411600 = 11401^2 + 10460^2 .

It is a cyclic number.

It is not a de Polignac number, because 239394401 - 2²⁶ = 172285537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (239394451) 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, 661130 + ... + 661491.

It is an arithmetic number, because the mean of its divisors is an integer number (60179301).

Almost surely, 2^239394401 is an apocalyptic number.

It is an amenable number.

239394401 is a deficient number, since it is larger than the sum of its proper divisors (1322803).

239394401 is a wasteful number, since it uses less digits than its factorization.

239394401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322802.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 239394401 is about 15472.3754155592. The cubic root of 239394401 is about 620.9233562274.

The spelling of 239394401 in words is "two hundred thirty-nine million, three hundred ninety-four thousand, four hundred one".