829743242 has 16 divisors (see below), whose sum is σ = 1318394880. Its totient is φ = 390299328.

The previous prime is 829743221. The next prime is 829743253. The reversal of 829743242 is 242347928.

It is a self number, because there is not a number n which added to its sum of digits gives 829743242.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 114359 + ... + 121397.

It is an arithmetic number, because the mean of its divisors is an integer number (82399680).

Almost surely, 2^829743242 is an apocalyptic number.

829743242 is a deficient number, since it is larger than the sum of its proper divisors (488651638).

829743242 is a wasteful number, since it uses less digits than its factorization.

829743242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10525.

The product of its digits is 193536, while the sum is 41.

The square root of 829743242 is about 28805.2641369594. The cubic root of 829743242 is about 939.6827215010.

The spelling of 829743242 in words is "eight hundred twenty-nine million, seven hundred forty-three thousand, two hundred forty-two".