804821602 has 24 divisors (see below), whose sum is σ = 1309167360. Its totient is φ = 370908720.

The previous prime is 804821593. The next prime is 804821609. The reversal of 804821602 is 206128408.

It is a super-2 number, since 2×804821602² = 1295475622091692808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804821609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309327 + ... + 311917.

It is an arithmetic number, because the mean of its divisors is an integer number (54548640).

Almost surely, 2^804821602 is an apocalyptic number.

804821602 is a deficient number, since it is larger than the sum of its proper divisors (504345758).

804821602 is a wasteful number, since it uses less digits than its factorization.

804821602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3538 (or 3525 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 804821602 is about 28369.3778923684. The cubic root of 804821602 is about 930.1790236159.

The spelling of 804821602 in words is "eight hundred four million, eight hundred twenty-one thousand, six hundred two".