829499994 has 64 divisors (see below), whose sum is σ = 1871251200. Its totient is φ = 272344896.

The previous prime is 829499981. The next prime is 829500017. The reversal of 829499994 is 499994928.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1629412 + ... + 1629920.

It is an arithmetic number, because the mean of its divisors is an integer number (29238300).

Almost surely, 2^829499994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 829499994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (935625600).

829499994 is an abundant number, since it is smaller than the sum of its proper divisors (1041751206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

829499994 is a wasteful number, since it uses less digits than its factorization.

829499994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 910 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 63.

The square root of 829499994 is about 28801.0415436664. The cubic root of 829499994 is about 939.5908865529.

The spelling of 829499994 in words is "eight hundred twenty-nine million, four hundred ninety-nine thousand, nine hundred ninety-four".