8484820 has 24 divisors (see below), whose sum is σ = 18433800. Its totient is φ = 3276672.

The previous prime is 8484809. The next prime is 8484829. The reversal of 8484820 is 284848.

8484820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 213444 + 8271376 = 462^2 + 2876^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8484829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6735 + ... + 7894.

It is an arithmetic number, because the mean of its divisors is an integer number (768075).

Almost surely, 2^8484820 is an apocalyptic number.

It is an amenable number.

8484820 is an abundant number, since it is smaller than the sum of its proper divisors (9948980).

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

8484820 is a wasteful number, since it uses less digits than its factorization.

8484820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14667 (or 14665 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 34.

The square root of 8484820 is about 2912.8714355426. The cubic root of 8484820 is about 203.9611934386.

The spelling of 8484820 in words is "eight million, four hundred eighty-four thousand, eight hundred twenty".