1443216 has 40 divisors (see below), whose sum is σ = 3776544. Its totient is φ = 474880.

The previous prime is 1443203. The next prime is 1443223. The reversal of 1443216 is 6123441.

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

It is a junction number, because it is equal to n+sod(n) for n = 1443192 and 1443201.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4996 + ... + 5276.

2^1443216 is an apocalyptic number.

1443216 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 1443216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1888272).

1443216 is an abundant number, since it is smaller than the sum of its proper divisors (2333328).

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

1443216 is a wasteful number, since it uses less digits than its factorization.

1443216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 393 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 1443216 is about 1201.3392526676. The cubic root of 1443216 is about 113.0083268461.

Adding to 1443216 its reverse (6123441), we get a palindrome (7566657).

The spelling of 1443216 in words is "one million, four hundred forty-three thousand, two hundred sixteen".