1189714944 has 352 divisors, whose sum is σ = 3890937600. Its totient is φ = 318504960.

The previous prime is 1189714943. The next prime is 1189714973. The reversal of 1189714944 is 4494179811.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (352).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1189714893 and 1189714902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189714943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10914762 + ... + 10914870.

It is an arithmetic number, because the mean of its divisors is an integer number (11053800).

Almost surely, 2^1189714944 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 1189714944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1945468800).

1189714944 is an abundant number, since it is smaller than the sum of its proper divisors (2701222656).

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

1189714944 is a wasteful number, since it uses less digits than its factorization.

1189714944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 161 counting only the distinct ones).

The product of its digits is 290304, while the sum is 48.

The square root of 1189714944 is about 34492.2446935539. The cubic root of 1189714944 is about 1059.6138809654.

The spelling of 1189714944 in words is "one billion, one hundred eighty-nine million, seven hundred fourteen thousand, nine hundred forty-four".