8470420 has 48 divisors (see below), whose sum is σ = 21530880. Its totient is φ = 2732544.

The previous prime is 8470393. The next prime is 8470421. The reversal of 8470420 is 240748.

8470420 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8470421) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 601 + ... + 4159.

It is an arithmetic number, because the mean of its divisors is an integer number (448560).

Almost surely, 2^8470420 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 8470420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10765440).

8470420 is an abundant number, since it is smaller than the sum of its proper divisors (13060460).

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

8470420 is a wasteful number, since it uses less digits than its factorization.

8470420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3592 (or 3590 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 8470420 is about 2910.3985981305. The cubic root of 8470420 is about 203.8457439540.

The spelling of 8470420 in words is "eight million, four hundred seventy thousand, four hundred twenty".