852906239 has 4 divisors (see below), whose sum is σ = 857192400. Its totient is φ = 848620080.

The previous prime is 852906233. The next prime is 852906253. The reversal of 852906239 is 932609258.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 852906239 - 2⁸ = 852905983 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 852906239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852906233) 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, 2142782 + ... + 2143179.

It is an arithmetic number, because the mean of its divisors is an integer number (214298100).

Almost surely, 2^852906239 is an apocalyptic number.

852906239 is a deficient number, since it is larger than the sum of its proper divisors (4286161).

852906239 is a wasteful number, since it uses less digits than its factorization.

852906239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4286160.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 852906239 is about 29204.5585311609. The cubic root of 852906239 is about 948.3466121883.

The spelling of 852906239 in words is "eight hundred fifty-two million, nine hundred six thousand, two hundred thirty-nine".