1487728 has 40 divisors (see below), whose sum is σ = 3214080. Its totient is φ = 661440.

The previous prime is 1487713. The next prime is 1487743. The reversal of 1487728 is 8277841.

It is an interprime number because it is at equal distance from previous prime (1487713) and next prime (1487743).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13851 + ... + 13957.

It is an arithmetic number, because the mean of its divisors is an integer number (80352).

2^1487728 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 1487728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607040).

1487728 is an abundant number, since it is smaller than the sum of its proper divisors (1726352).

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

1487728 is a wasteful number, since it uses less digits than its factorization.

1487728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 199 counting only the distinct ones).

The product of its digits is 25088, while the sum is 37.

The square root of 1487728 is about 1219.7245590706. The cubic root of 1487728 is about 114.1583927322.

The spelling of 1487728 in words is "one million, four hundred eighty-seven thousand, seven hundred twenty-eight".