834335409 has 8 divisors (see below), whose sum is σ = 1113043680. Its totient is φ = 555925376.

The previous prime is 834335393. The next prime is 834335431. The reversal of 834335409 is 904533438.

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 834335409 - 2⁴ = 834335393 is a prime.

It is a super-2 number, since 2×834335409² = 1392231149422394562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (834335479) 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 7 ways as a sum of consecutive naturals, for example, 67947 + ... + 79280.

It is an arithmetic number, because the mean of its divisors is an integer number (139130460).

Almost surely, 2^834335409 is an apocalyptic number.

It is an amenable number.

834335409 is a deficient number, since it is larger than the sum of its proper divisors (278708271).

834335409 is a wasteful number, since it uses less digits than its factorization.

834335409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149119.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 834335409 is about 28884.8647045473. The cubic root of 834335409 is about 941.4130735129.

The spelling of 834335409 in words is "eight hundred thirty-four million, three hundred thirty-five thousand, four hundred nine".