1304828 has 12 divisors (see below), whose sum is σ = 2609712. Its totient is φ = 559200.

The previous prime is 1304803. The next prime is 1304833. The reversal of 1304828 is 8284031.

1304828 is an admirable number.

It is a super-2 number, since 2×1304828² = 3405152219168, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) 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 = 1304797 and 1304806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23273 + ... + 23328.

It is an arithmetic number, because the mean of its divisors is an integer number (217476).

2^1304828 is an apocalyptic number.

It is an amenable number.

1304828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1304828 is a wasteful number, since it uses less digits than its factorization.

1304828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46612 (or 46610 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1304828 is about 1142.2906810440. The cubic root of 1304828 is about 109.2742302346.

Adding to 1304828 its reverse (8284031), we get a palindrome (9588859).

The spelling of 1304828 in words is "one million, three hundred four thousand, eight hundred twenty-eight".