834121438 has 8 divisors (see below), whose sum is σ = 1251400032. Its totient is φ = 416988096.

The previous prime is 834121429. The next prime is 834121441.

834121438 is nontrivially palindromic in base 10.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20595 + ... + 45742.

It is an arithmetic number, because the mean of its divisors is an integer number (156425004).

Almost surely, 2^834121438 is an apocalyptic number.

834121438 is a deficient number, since it is larger than the sum of its proper divisors (417278594).

834121438 is a wasteful number, since it uses less digits than its factorization.

834121438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72626.

The product of its digits is 18432, while the sum is 34.

The square root of 834121438 is about 28881.1606068731. The cubic root of 834121438 is about 941.3325893667.

The spelling of 834121438 in words is "eight hundred thirty-four million, one hundred twenty-one thousand, four hundred thirty-eight".