1198969344 has 160 divisors (see below), whose sum is σ = 3633368640. Its totient is φ = 390168576.

The previous prime is 1198969327. The next prime is 1198969357. The reversal of 1198969344 is 4439698911.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593424 + ... + 595440.

It is an arithmetic number, because the mean of its divisors is an integer number (22708554).

Almost surely, 2^1198969344 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 1198969344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1816684320).

1198969344 is an abundant number, since it is smaller than the sum of its proper divisors (2434399296).

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

1198969344 is an equidigital number, since it uses as much as digits as its factorization.

1198969344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087 (or 2065 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 1198969344 is about 34626.1367178032. The cubic root of 1198969344 is about 1062.3542499774.

The spelling of 1198969344 in words is "one billion, one hundred ninety-eight million, nine hundred sixty-nine thousand, three hundred forty-four".