1188416 has 28 divisors (see below), whose sum is σ = 2438400. Its totient is φ = 574080.

The previous prime is 1188413. The next prime is 1188457. The reversal of 1188416 is 6148811.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (1188413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1685 + ... + 2283.

2^1188416 is an apocalyptic number.

1188416 is a gapful number since it is divisible by the number (16) 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 1188416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1219200).

1188416 is an abundant number, since it is smaller than the sum of its proper divisors (1249984).

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

1188416 is an equidigital number, since it uses as much as digits as its factorization.

1188416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 632 counting only the distinct ones).

The product of its digits is 1536, while the sum is 29.

The square root of 1188416 is about 1090.1449444913. The cubic root of 1188416 is about 105.9228107796.

The spelling of 1188416 in words is "one million, one hundred eighty-eight thousand, four hundred sixteen".