8302820 has 12 divisors (see below), whose sum is σ = 17435964. Its totient is φ = 3321120.

The previous prime is 8302813. The next prime is 8302831. The reversal of 8302820 is 282038.

It can be written as a sum of positive squares in 2 ways, for example, as 937024 + 7365796 = 968^2 + 2714^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

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, 207551 + ... + 207590.

It is an arithmetic number, because the mean of its divisors is an integer number (1452997).

Almost surely, 2^8302820 is an apocalyptic number.

It is an amenable number.

8302820 is an abundant number, since it is smaller than the sum of its proper divisors (9133144).

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

8302820 is a wasteful number, since it uses less digits than its factorization.

8302820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415150 (or 415148 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 8302820 is about 2881.4614347584. The cubic root of 8302820 is about 202.4923128718.

Adding to 8302820 its reverse (282038), we get a palindrome (8584858).

The spelling of 8302820 in words is "eight million, three hundred two thousand, eight hundred twenty".