1028424 has 32 divisors (see below), whose sum is σ = 2610720. Its totient is φ = 337536.

The previous prime is 1028411. The next prime is 1028437. The reversal of 1028424 is 4248201.

1028424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1028411) and next prime (1028437).

It is a self number, because there is not a number n which added to its sum of digits gives 1028424.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1459 + ... + 2045.

It is an arithmetic number, because the mean of its divisors is an integer number (81585).

2^1028424 is an apocalyptic number.

It is an amenable number.

1028424 is an abundant number, since it is smaller than the sum of its proper divisors (1582296).

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

1028424 is a wasteful number, since it uses less digits than its factorization.

1028424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1028424 is about 1014.1124198036. The cubic root of 1028424 is about 100.9386288601.

The spelling of 1028424 in words is "one million, twenty-eight thousand, four hundred twenty-four".