1428528 has 20 divisors (see below), whose sum is σ = 3690488. Its totient is φ = 476160.

The previous prime is 1428521. The next prime is 1428529. The reversal of 1428528 is 8258241.

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 = 1428495 and 1428504.

It is not an unprimeable number, because it can be changed into a prime (1428521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14833 + ... + 14928.

2^1428528 is an apocalyptic number.

It is an amenable number.

1428528 is an abundant number, since it is smaller than the sum of its proper divisors (2261960).

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

1428528 is a wasteful number, since it uses less digits than its factorization.

1428528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29772 (or 29766 counting only the distinct ones).

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

The square root of 1428528 is about 1195.2104417215. The cubic root of 1428528 is about 112.6236467683.

The spelling of 1428528 in words is "one million, four hundred twenty-eight thousand, five hundred twenty-eight".