8321828 has 12 divisors (see below), whose sum is σ = 14627340. Its totient is φ = 4142592.

The previous prime is 8321813. The next prime is 8321843. The reversal of 8321828 is 8281238.

It is an interprime number because it is at equal distance from previous prime (8321813) and next prime (8321843).

It can be written as a sum of positive squares in 2 ways, for example, as 879844 + 7441984 = 938^2 + 2728^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8321794 and 8321803.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3533 + ... + 5396.

It is an arithmetic number, because the mean of its divisors is an integer number (1218945).

Almost surely, 2^8321828 is an apocalyptic number.

It is an amenable number.

8321828 is a deficient number, since it is larger than the sum of its proper divisors (6305512).

8321828 is a wasteful number, since it uses less digits than its factorization.

8321828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9166 (or 9164 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 8321828 is about 2884.7578754551. The cubic root of 8321828 is about 202.6467198647.

The spelling of 8321828 in words is "eight million, three hundred twenty-one thousand, eight hundred twenty-eight".