1528628 has 18 divisors (see below), whose sum is σ = 2749026. Its totient is φ = 743728.

The previous prime is 1528627. The next prime is 1528633. The reversal of 1528628 is 8268251.

It can be written as a sum of positive squares in only one way, i.e., 1493284 + 35344 = 1222^2 + 188^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1528594 and 1528603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1528621) 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 5 ways as a sum of consecutive naturals, for example, 8750 + ... + 8922.

2^1528628 is an apocalyptic number.

It is an amenable number.

1528628 is a deficient number, since it is larger than the sum of its proper divisors (1220398).

1528628 is a wasteful number, since it uses less digits than its factorization.

1528628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 222 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 1528628 is about 1236.3769651688. The cubic root of 1528628 is about 115.1950816123.

The spelling of 1528628 in words is "one million, five hundred twenty-eight thousand, six hundred twenty-eight".