829043385 has 32 divisors (see below), whose sum is σ = 1371589632. Its totient is φ = 427165440.

The previous prime is 829043377. The next prime is 829043389. The reversal of 829043385 is 583340928.

829043385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 829043385 - 2³ = 829043377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (829043389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369487 + ... + 371723.

It is an arithmetic number, because the mean of its divisors is an integer number (42862176).

Almost surely, 2^829043385 is an apocalyptic number.

It is an amenable number.

829043385 is a deficient number, since it is larger than the sum of its proper divisors (542546247).

829043385 is a wasteful number, since it uses less digits than its factorization.

829043385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 829043385 is about 28793.1134995853. The cubic root of 829043385 is about 939.4184515908.

The spelling of 829043385 in words is "eight hundred twenty-nine million, forty-three thousand, three hundred eighty-five".