1196807328 has 144 divisors (see below), whose sum is σ = 3609156096. Its totient is φ = 375528960.

The previous prime is 1196807281. The next prime is 1196807329. The reversal of 1196807328 is 8237086911.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (1196807329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328525 + ... + 332147.

It is an arithmetic number, because the mean of its divisors is an integer number (25063584).

Almost surely, 2^1196807328 is an apocalyptic number.

1196807328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1196807328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1804578048).

1196807328 is an abundant number, since it is smaller than the sum of its proper divisors (2412348768).

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

1196807328 is a wasteful number, since it uses less digits than its factorization.

1196807328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707 (or 3696 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1196807328 is about 34594.9032084207. The cubic root of 1196807328 is about 1061.7153098604.

The spelling of 1196807328 in words is "one billion, one hundred ninety-six million, eight hundred seven thousand, three hundred twenty-eight".