1481728 has 22 divisors (see below), whose sum is σ = 2964056. Its totient is φ = 740352.

The previous prime is 1481719. The next prime is 1481731. The reversal of 1481728 is 8271841.

It is a self number, because there is not a number n which added to its sum of digits gives 1481728.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 301 + ... + 1747.

2^1481728 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 1481728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1482028).

1481728 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1481728 is an equidigital number, since it uses as much as digits as its factorization.

1481728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467 (or 1449 counting only the distinct ones).

The product of its digits is 3584, while the sum is 31.

The square root of 1481728 is about 1217.2625025031. The cubic root of 1481728 is about 114.0047192055.

It can be divided in two parts, 1481 and 728, that added together give a square (2209 = 47²).

The spelling of 1481728 in words is "one million, four hundred eighty-one thousand, seven hundred twenty-eight".