829880988 has 24 divisors (see below), whose sum is σ = 1936856208. Its totient is φ = 276560256.

The previous prime is 829880981. The next prime is 829880999. The reversal of 829880988 is 889088928.

It is a super-2 number, since 2×829880988² = 1377404908487712288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (829880981) 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, 87570 + ... + 96582.

It is an arithmetic number, because the mean of its divisors is an integer number (80702342).

Almost surely, 2^829880988 is an apocalyptic number.

It is an amenable number.

829880988 is an abundant number, since it is smaller than the sum of its proper divisors (1106975220).

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

829880988 is a wasteful number, since it uses less digits than its factorization.

829880988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16693 (or 16691 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 60.

The square root of 829880988 is about 28807.6550243160. The cubic root of 829880988 is about 939.7347176558.

The spelling of 829880988 in words is "eight hundred twenty-nine million, eight hundred eighty thousand, nine hundred eighty-eight".