834120394 has 8 divisors (see below), whose sum is σ = 1267018560. Its totient is φ = 411780876.

The previous prime is 834120367. The next prime is 834120403. The reversal of 834120394 is 493021438.

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

It is an unprimeable number.

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, 2639464 + ... + 2639779.

It is an arithmetic number, because the mean of its divisors is an integer number (158377320).

Almost surely, 2^834120394 is an apocalyptic number.

834120394 is a deficient number, since it is larger than the sum of its proper divisors (432898166).

834120394 is a wasteful number, since it uses less digits than its factorization.

834120394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5279324.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 834120394 is about 28881.1425328016. The cubic root of 834120394 is about 941.3321966375.

The spelling of 834120394 in words is "eight hundred thirty-four million, one hundred twenty thousand, three hundred ninety-four".