1020828 has 24 divisors (see below), whose sum is σ = 2409232. Its totient is φ = 336384.

The previous prime is 1020827. The next prime is 1020839. The reversal of 1020828 is 8280201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 726 + ... + 1602.

2^1020828 is an apocalyptic number.

It is an amenable number.

1020828 is an abundant number, since it is smaller than the sum of its proper divisors (1388404).

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

1020828 is a wasteful number, since it uses less digits than its factorization.

1020828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 1020828 is about 1010.3603317629. The cubic root of 1020828 is about 100.6895016153.

The spelling of 1020828 in words is "one million, twenty thousand, eight hundred twenty-eight".