8452820 has 24 divisors (see below), whose sum is σ = 17829504. Its totient is φ = 3366176.

The previous prime is 8452819. The next prime is 8452877. The reversal of 8452820 is 282548.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4457 + ... + 6063.

It is an arithmetic number, because the mean of its divisors is an integer number (742896).

Almost surely, 2^8452820 is an apocalyptic number.

It is an amenable number.

8452820 is an abundant number, since it is smaller than the sum of its proper divisors (9376684).

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

8452820 is a wasteful number, since it uses less digits than its factorization.

8452820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879 (or 1877 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 8452820 is about 2907.3733850333. The cubic root of 8452820 is about 203.7044611991.

It can be divided in two parts, 84528 and 20, that added together give a palindrome (84548).

The spelling of 8452820 in words is "eight million, four hundred fifty-two thousand, eight hundred twenty".