1199880396 has 108 divisors (see below), whose sum is σ = 3583059480. Its totient is φ = 335612160.

The previous prime is 1199880391. The next prime is 1199880427. The reversal of 1199880396 is 6930889911.

It is not an unprimeable number, because it can be changed into a prime (1199880391) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 57960 + ... + 75888.

Almost surely, 2^1199880396 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 1199880396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1791529740).

1199880396 is an abundant number, since it is smaller than the sum of its proper divisors (2383179084).

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

1199880396 is a wasteful number, since it uses less digits than its factorization.

1199880396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17976 (or 17958 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The square root of 1199880396 is about 34639.2897733195. The cubic root of 1199880396 is about 1062.6232629497.

The spelling of 1199880396 in words is "one billion, one hundred ninety-nine million, eight hundred eighty thousand, three hundred ninety-six".