1020804 has 24 divisors (see below), whose sum is σ = 2398368. Its totient is φ = 337920.

The previous prime is 1020797. The next prime is 1020821. The reversal of 1020804 is 4080201.

1020804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2919 + ... + 3249.

It is an arithmetic number, because the mean of its divisors is an integer number (99932).

2^1020804 is an apocalyptic number.

It is an amenable number.

1020804 is an abundant number, since it is smaller than the sum of its proper divisors (1377564).

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

1020804 is a wasteful number, since it uses less digits than its factorization.

1020804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1020804 is about 1010.3484547422. The cubic root of 1020804 is about 100.6887125281.

The spelling of 1020804 in words is "one million, twenty thousand, eight hundred four".