1528428 has 24 divisors (see below), whose sum is σ = 3890880. Its totient is φ = 463120.

The previous prime is 1528427. The next prime is 1528441. The reversal of 1528428 is 8248251.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1528395 and 1528404.

It is not an unprimeable number, because it can be changed into a prime (1528421) 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 7 ways as a sum of consecutive naturals, for example, 5658 + ... + 5921.

It is an arithmetic number, because the mean of its divisors is an integer number (162120).

2^1528428 is an apocalyptic number.

It is an amenable number.

1528428 is an abundant number, since it is smaller than the sum of its proper divisors (2362452).

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

1528428 is a wasteful number, since it uses less digits than its factorization.

1528428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11597 (or 11595 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 1528428 is about 1236.2960810421. The cubic root of 1528428 is about 115.1900574945.

The spelling of 1528428 in words is "one million, five hundred twenty-eight thousand, four hundred twenty-eight".