834424438 has 4 divisors (see below), whose sum is σ = 1251636660. Its totient is φ = 417212218.

The previous prime is 834424411. The next prime is 834424439.

834424438 is nontrivially palindromic in base 10.

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

It is a self number, because there is not a number n which added to its sum of digits gives 834424438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834424439) 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 as a sum of consecutive naturals, namely, 208606108 + ... + 208606111.

It is an arithmetic number, because the mean of its divisors is an integer number (312909165).

Almost surely, 2^834424438 is an apocalyptic number.

834424438 is a deficient number, since it is larger than the sum of its proper divisors (417212222).

834424438 is a wasteful number, since it uses less digits than its factorization.

834424438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417212221.

The product of its digits is 294912, while the sum is 40.

The square root of 834424438 is about 28886.4057646499. The cubic root of 834424438 is about 941.4465572824.

The spelling of 834424438 in words is "eight hundred thirty-four million, four hundred twenty-four thousand, four hundred thirty-eight".