842532439 has 8 divisors (see below), whose sum is σ = 988918688. Its totient is φ = 702652320.

The previous prime is 842532421. The next prime is 842532463. The reversal of 842532439 is 934235248.

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

It is a cyclic number.

It is not a de Polignac number, because 842532439 - 2⁷ = 842532311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842532139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1626252 + ... + 1626769.

It is an arithmetic number, because the mean of its divisors is an integer number (123614836).

Almost surely, 2^842532439 is an apocalyptic number.

842532439 is a deficient number, since it is larger than the sum of its proper divisors (146386249).

842532439 is a wasteful number, since it uses less digits than its factorization.

842532439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253065.

The product of its digits is 207360, while the sum is 40.

The square root of 842532439 is about 29026.4093370158. The cubic root of 842532439 is about 944.4860409879.

The spelling of 842532439 in words is "eight hundred forty-two million, five hundred thirty-two thousand, four hundred thirty-nine".