1186328 has 64 divisors (see below), whose sum is σ = 2812320. Its totient is φ = 460800.

The previous prime is 1186321. The next prime is 1186337. The reversal of 1186328 is 8236811.

It is a self number, because there is not a number n which added to its sum of digits gives 1186328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1186321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19418 + ... + 19478.

2^1186328 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 1186328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1406160).

1186328 is an abundant number, since it is smaller than the sum of its proper divisors (1625992).

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

1186328 is a wasteful number, since it uses less digits than its factorization.

1186328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 104 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 1186328 is about 1089.1868526566. The cubic root of 1186328 is about 105.8607403479.

It can be divided in two parts, 118 and 6328, that added together give a palindrome (6446).

The spelling of 1186328 in words is "one million, one hundred eighty-six thousand, three hundred twenty-eight".