828944329 has 4 divisors (see below), whose sum is σ = 830017476. Its totient is φ = 827871184.

The previous prime is 828944267. The next prime is 828944339. The reversal of 828944329 is 923449828.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 385926025 + 443018304 = 19645^2 + 21048^2 .

It is a cyclic number.

It is not a de Polignac number, because 828944329 - 2¹¹ = 828942281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (828944339) 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, 535414 + ... + 536959.

It is an arithmetic number, because the mean of its divisors is an integer number (207504369).

Almost surely, 2^828944329 is an apocalyptic number.

It is an amenable number.

828944329 is a deficient number, since it is larger than the sum of its proper divisors (1073147).

828944329 is a wasteful number, since it uses less digits than its factorization.

828944329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073146.

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

The square root of 828944329 is about 28791.3933146696. The cubic root of 828944329 is about 939.3810354787.

The spelling of 828944329 in words is "eight hundred twenty-eight million, nine hundred forty-four thousand, three hundred twenty-nine".