1528688 has 20 divisors (see below), whose sum is σ = 3385200. Its totient is φ = 655104.

The previous prime is 1528687. The next prime is 1528697. The reversal of 1528688 is 8868251.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1528687) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6713 + ... + 6936.

It is an arithmetic number, because the mean of its divisors is an integer number (169260).

2^1528688 is an apocalyptic number.

It is an amenable number.

1528688 is an abundant number, since it is smaller than the sum of its proper divisors (1856512).

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

1528688 is a wasteful number, since it uses less digits than its factorization.

1528688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13664 (or 13658 counting only the distinct ones).

The product of its digits is 30720, while the sum is 38.

The square root of 1528688 is about 1236.4012293750. The cubic root of 1528688 is about 115.1965887622.

The spelling of 1528688 in words is "one million, five hundred twenty-eight thousand, six hundred eighty-eight".