1199949828 has 192 divisors, whose sum is σ = 3773952000. Its totient is φ = 293153280.

The previous prime is 1199949827. The next prime is 1199949853. The reversal of 1199949828 is 8289499911.

It is not an unprimeable number, because it can be changed into a prime (1199949823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 768913 + ... + 770471.

It is an arithmetic number, because the mean of its divisors is an integer number (19656000).

Almost surely, 2^1199949828 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 1199949828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1886976000).

1199949828 is an abundant number, since it is smaller than the sum of its proper divisors (2574002172).

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

1199949828 is a wasteful number, since it uses less digits than its factorization.

1199949828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615 (or 1599 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 60.

The square root of 1199949828 is about 34640.2919733654. The cubic root of 1199949828 is about 1062.6437590579.

The spelling of 1199949828 in words is "one billion, one hundred ninety-nine million, nine hundred forty-nine thousand, eight hundred twenty-eight".