834606438 has 8 divisors (see below), whose sum is σ = 1669212888. Its totient is φ = 278202144.

The previous prime is 834606413. The next prime is 834606439.

834606438 is nontrivially palindromic in base 10.

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

834606438 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 834606438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834606439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69550531 + ... + 69550542.

It is an arithmetic number, because the mean of its divisors is an integer number (208651611).

Almost surely, 2^834606438 is an apocalyptic number.

834606438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

834606438 is a wasteful number, since it uses less digits than its factorization.

834606438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139101078.

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 834606438 is about 28889.5558636681. Note that the first 3 decimals coincide. The cubic root of 834606438 is about 941.5149999956.

It can be divided in two parts, 83460 and 6438, that added together give a palindrome (89898).

The spelling of 834606438 in words is "eight hundred thirty-four million, six hundred six thousand, four hundred thirty-eight".