239378085 has 36 divisors (see below), whose sum is σ = 430917708. Its totient is φ = 127650816.

The previous prime is 239378047. The next prime is 239378101. The reversal of 239378085 is 580873932.

239378085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 83777409 + 155600676 = 9153^2 + 12474^2 .

It is not a de Polignac number, because 239378085 - 2²¹ = 237280933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 239378085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29157 + ... + 36453.

Almost surely, 2^239378085 is an apocalyptic number.

It is an amenable number.

239378085 is a deficient number, since it is larger than the sum of its proper divisors (191539623).

239378085 is an frugal number, since it uses more digits than its factorization.

239378085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7326 (or 7305 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 239378085 is about 15471.8481442910. The cubic root of 239378085 is about 620.9092494986.

The spelling of 239378085 in words is "two hundred thirty-nine million, three hundred seventy-eight thousand, eighty-five".