1196881884 has 144 divisors (see below), whose sum is σ = 3407878656. Its totient is φ = 351072000.

The previous prime is 1196881871. The next prime is 1196881913. The reversal of 1196881884 is 4881886911.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1196881884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1991184 + ... + 1991784.

It is an arithmetic number, because the mean of its divisors is an integer number (23665824).

Almost surely, 2^1196881884 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 1196881884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1703939328).

1196881884 is an abundant number, since it is smaller than the sum of its proper divisors (2210996772).

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

1196881884 is a wasteful number, since it uses less digits than its factorization.

1196881884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 771 counting only the distinct ones).

The product of its digits is 884736, while the sum is 54.

The square root of 1196881884 is about 34595.9807492142. The cubic root of 1196881884 is about 1061.7373561835.

The spelling of 1196881884 in words is "one billion, one hundred ninety-six million, eight hundred eighty-one thousand, eight hundred eighty-four".