839952 has 60 divisors (see below), whose sum is σ = 2482480. Its totient is φ = 264384.

The previous prime is 839921. The next prime is 839957. The reversal of 839952 is 259938.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (839957) by changing a digit.

839952 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2583 + ... + 2889.

2⁸³⁹⁹⁵² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 839952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1241240).

839952 is an abundant number, since it is smaller than the sum of its proper divisors (1642528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

839952 is a wasteful number, since it uses less digits than its factorization.

839952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 331 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 839952 is about 916.4889524702. The cubic root of 839952 is about 94.3520823553.

839952 divided by its sum of digits (36) gives a palindrome (23332).

The spelling of 839952 in words is "eight hundred thirty-nine thousand, nine hundred fifty-two".