829889534 has 16 divisors (see below), whose sum is σ = 1250795520. Its totient is φ = 412963320.

The previous prime is 829889531. The next prime is 829889563. The reversal of 829889534 is 435988928.

It is a self number, because there is not a number n which added to its sum of digits gives 829889534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (829889531) 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, 442619 + ... + 444489.

It is an arithmetic number, because the mean of its divisors is an integer number (78174720).

Almost surely, 2^829889534 is an apocalyptic number.

829889534 is a deficient number, since it is larger than the sum of its proper divisors (420905986).

829889534 is a wasteful number, since it uses less digits than its factorization.

829889534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815.

The product of its digits is 4976640, while the sum is 56.

The square root of 829889534 is about 28807.8033525640. The cubic root of 829889534 is about 939.7379433976.

The spelling of 829889534 in words is "eight hundred twenty-nine million, eight hundred eighty-nine thousand, five hundred thirty-four".