1478728 has 32 divisors (see below), whose sum is σ = 2993760. Its totient is φ = 682240.

The previous prime is 1478723. The next prime is 1478759. The reversal of 1478728 is 8278741.

It is not an unprimeable number, because it can be changed into a prime (1478723) 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 7 ways as a sum of consecutive naturals, for example, 11223 + ... + 11353.

It is an arithmetic number, because the mean of its divisors is an integer number (93555).

2^1478728 is an apocalyptic number.

It is an amenable number.

1478728 is an abundant number, since it is smaller than the sum of its proper divisors (1515032).

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

1478728 is a wasteful number, since it uses less digits than its factorization.

1478728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 233 counting only the distinct ones).

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

The square root of 1478728 is about 1216.0296049028. The cubic root of 1478728 is about 113.9277268383.

The spelling of 1478728 in words is "one million, four hundred seventy-eight thousand, seven hundred twenty-eight".