999829360 has 80 divisors (see below), whose sum is σ = 2408417280. Its totient is φ = 385608960.

The previous prime is 999829351. The next prime is 999829367. The reversal of 999829360 is 63928999.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999829367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 889759 + ... + 890881.

It is an arithmetic number, because the mean of its divisors is an integer number (30105216).

Almost surely, 2^999829360 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999829360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1204208640).

999829360 is an abundant number, since it is smaller than the sum of its proper divisors (1408587920).

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

999829360 is a wasteful number, since it uses less digits than its factorization.

999829360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526 (or 1520 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 55.

The square root of 999829360 is about 31620.0784312753. The cubic root of 999829360 is about 999.9431167644.

The spelling of 999829360 in words is "nine hundred ninety-nine million, eight hundred twenty-nine thousand, three hundred sixty".