8474820 has 48 divisors (see below), whose sum is σ = 23925888. Its totient is φ = 2241280.

The previous prime is 8474803. The next prime is 8474821. The reversal of 8474820 is 284748.

It is not an unprimeable number, because it can be changed into a prime (8474821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7705 + ... + 8735.

It is an arithmetic number, because the mean of its divisors is an integer number (498456).

Almost surely, 2^8474820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8474820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11962944).

8474820 is an abundant number, since it is smaller than the sum of its proper divisors (15451068).

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

8474820 is a wasteful number, since it uses less digits than its factorization.

8474820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 8474820 is about 2911.1544101954. The cubic root of 8474820 is about 203.8810340583.

The spelling of 8474820 in words is "eight million, four hundred seventy-four thousand, eight hundred twenty".