834860389 has 8 divisors (see below), whose sum is σ = 930135168. Its totient is φ = 742815360.

The previous prime is 834860363. The next prime is 834860407. The reversal of 834860389 is 983068438.

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 834860389 - 2⁹ = 834859877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834860309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806892 + ... + 807925.

It is an arithmetic number, because the mean of its divisors is an integer number (116266896).

Almost surely, 2^834860389 is an apocalyptic number.

It is an amenable number.

834860389 is a deficient number, since it is larger than the sum of its proper divisors (95274779).

834860389 is a wasteful number, since it uses less digits than its factorization.

834860389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614875.

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 834860389 is about 28893.9507336743. The cubic root of 834860389 is about 941.6104838940.

The spelling of 834860389 in words is "eight hundred thirty-four million, eight hundred sixty thousand, three hundred eighty-nine".