8343020 has 48 divisors (see below), whose sum is σ = 20901888. Its totient is φ = 2735040.

The previous prime is 8342993. The next prime is 8343029. The reversal of 8343020 is 203438.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 8342983 and 8343001.

It is not an unprimeable number, because it can be changed into a prime (8343029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1925 + ... + 4515.

It is an arithmetic number, because the mean of its divisors is an integer number (435456).

Almost surely, 2^8343020 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 8343020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10450944).

8343020 is an abundant number, since it is smaller than the sum of its proper divisors (12558868).

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

8343020 is a wasteful number, since it uses less digits than its factorization.

8343020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630 (or 2628 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 8343020 is about 2888.4286385507. The cubic root of 8343020 is about 202.8185911191.

Adding to 8343020 its reverse (203438), we get a palindrome (8546458).

The spelling of 8343020 in words is "eight million, three hundred forty-three thousand, twenty".