834394965 has 16 divisors (see below), whose sum is σ = 1336262400. Its totient is φ = 444600512.

The previous prime is 834394963. The next prime is 834394973. The reversal of 834394965 is 569493438.

It is a cyclic number.

It is not a de Polignac number, because 834394965 - 2¹ = 834394963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834394963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8445 + ... + 41714.

It is an arithmetic number, because the mean of its divisors is an integer number (83516400).

Almost surely, 2^834394965 is an apocalyptic number.

It is an amenable number.

834394965 is a deficient number, since it is larger than the sum of its proper divisors (501867435).

834394965 is a wasteful number, since it uses less digits than its factorization.

834394965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51276.

The product of its digits is 2799360, while the sum is 51.

The square root of 834394965 is about 28885.8956066797. The cubic root of 834394965 is about 941.4354727632.

The spelling of 834394965 in words is "eight hundred thirty-four million, three hundred ninety-four thousand, nine hundred sixty-five".