1179664 has 20 divisors (see below), whose sum is σ = 2420604. Its totient is φ = 555008.

The previous prime is 1179649. The next prime is 1179677. The reversal of 1179664 is 4669711.

It can be written as a sum of positive squares in 2 ways, for example, as 369664 + 810000 = 608^2 + 900^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1897 + ... + 2440.

2^1179664 is an apocalyptic number.

It is an amenable number.

1179664 is an abundant number, since it is smaller than the sum of its proper divisors (1240940).

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

1179664 is a wasteful number, since it uses less digits than its factorization.

1179664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4362 (or 4356 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 1179664 is about 1086.1233815732. The cubic root of 1179664 is about 105.6621496719.

The spelling of 1179664 in words is "one million, one hundred seventy-nine thousand, six hundred sixty-four".