239389071 has 8 divisors (see below), whose sum is σ = 324418224. Its totient is φ = 156976320.

The previous prime is 239389063. The next prime is 239389079. The reversal of 239389071 is 170983932.

239389071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (239389063) and next prime (239389079).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 239389071 - 2³ = 239389063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239389079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653886 + ... + 654251.

It is an arithmetic number, because the mean of its divisors is an integer number (40552278).

Almost surely, 2^239389071 is an apocalyptic number.

239389071 is a deficient number, since it is larger than the sum of its proper divisors (85029153).

239389071 is a wasteful number, since it uses less digits than its factorization.

239389071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308201.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 239389071 is about 15472.2031721407. The cubic root of 239389071 is about 620.9187480076.

The spelling of 239389071 in words is "two hundred thirty-nine million, three hundred eighty-nine thousand, seventy-one".