852240939 has 8 divisors (see below), whose sum is σ = 1239623232. Its totient is φ = 516509640.

The previous prime is 852240887. The next prime is 852240941. The reversal of 852240939 is 939042258.

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

It is not a de Polignac number, because 852240939 - 2¹³ = 852232747 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 852240939.

It is not an unprimeable number, because it can be changed into a prime (852240959) 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, 12912709 + ... + 12912774.

It is an arithmetic number, because the mean of its divisors is an integer number (154952904).

Almost surely, 2^852240939 is an apocalyptic number.

852240939 is a deficient number, since it is larger than the sum of its proper divisors (387382293).

852240939 is a wasteful number, since it uses less digits than its factorization.

852240939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25825497.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 852240939 is about 29193.1659639718. The cubic root of 852240939 is about 948.0999656463.

The spelling of 852240939 in words is "eight hundred fifty-two million, two hundred forty thousand, nine hundred thirty-nine".