239040605 has 4 divisors (see below), whose sum is σ = 286848732. Its totient is φ = 191232480.

The previous prime is 239040601. The next prime is 239040611. The reversal of 239040605 is 506040932.

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 69572281 + 169468324 = 8341^2 + 13018^2 .

It is not a de Polignac number, because 239040605 - 2² = 239040601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239040601) 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, 23904056 + ... + 23904065.

It is an arithmetic number, because the mean of its divisors is an integer number (71712183).

Almost surely, 2^239040605 is an apocalyptic number.

It is an amenable number.

239040605 is a deficient number, since it is larger than the sum of its proper divisors (47808127).

239040605 is an equidigital number, since it uses as much as digits as its factorization.

239040605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47808126.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 239040605 is about 15460.9380375189. The cubic root of 239040605 is about 620.6173221848.

The spelling of 239040605 in words is "two hundred thirty-nine million, forty thousand, six hundred five".