829729445 has 8 divisors (see below), whose sum is σ = 999643680. Its totient is φ = 661138000.

The previous prime is 829729441. The next prime is 829729471. The reversal of 829729445 is 544927928.

829729445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 829729445 - 2² = 829729441 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 829729393 and 829729402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (829729441) 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, 329315 + ... + 331824.

It is an arithmetic number, because the mean of its divisors is an integer number (124955460).

Almost surely, 2^829729445 is an apocalyptic number.

It is an amenable number.

829729445 is a deficient number, since it is larger than the sum of its proper divisors (169914235).

829729445 is a wasteful number, since it uses less digits than its factorization.

829729445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661395.

The product of its digits is 1451520, while the sum is 50.

The square root of 829729445 is about 28805.0246484880. The cubic root of 829729445 is about 939.6775131129.

The spelling of 829729445 in words is "eight hundred twenty-nine million, seven hundred twenty-nine thousand, four hundred forty-five".