829399073 has 4 divisors (see below), whose sum is σ = 829747200. Its totient is φ = 829050948.

The previous prime is 829399069. The next prime is 829399091. The reversal of 829399073 is 370993928.

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.

It is a cyclic number.

It is not a de Polignac number, because 829399073 - 2² = 829399069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (829399003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170465 + ... + 175262.

It is an arithmetic number, because the mean of its divisors is an integer number (207436800).

Almost surely, 2^829399073 is an apocalyptic number.

It is an amenable number.

829399073 is a deficient number, since it is larger than the sum of its proper divisors (348127).

829399073 is a wasteful number, since it uses less digits than its factorization.

829399073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348126.

The product of its (nonzero) digits is 734832, while the sum is 50.

The square root of 829399073 is about 28799.2894530403. The cubic root of 829399073 is about 939.5527799431.

The spelling of 829399073 in words is "eight hundred twenty-nine million, three hundred ninety-nine thousand, seventy-three".