834441689 has 4 divisors (see below), whose sum is σ = 841012224. Its totient is φ = 827871156.

The previous prime is 834441683. The next prime is 834441691. The reversal of 834441689 is 986144438.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 986144438 = 2 ⋅493072219.

It is a cyclic number.

It is not a de Polignac number, because 834441689 - 2²⁴ = 817664473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (834441683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3285077 + ... + 3285330.

It is an arithmetic number, because the mean of its divisors is an integer number (210253056).

Almost surely, 2^834441689 is an apocalyptic number.

It is an amenable number.

834441689 is a deficient number, since it is larger than the sum of its proper divisors (6570535).

834441689 is a wasteful number, since it uses less digits than its factorization.

834441689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570534.

The product of its digits is 663552, while the sum is 47.

The square root of 834441689 is about 28886.7043637726. The cubic root of 834441689 is about 941.4530451008.

The spelling of 834441689 in words is "eight hundred thirty-four million, four hundred forty-one thousand, six hundred eighty-nine".