8332420 has 12 divisors (see below), whose sum is σ = 17498124. Its totient is φ = 3332960.

The previous prime is 8332409. The next prime is 8332427. The reversal of 8332420 is 242338.

It can be written as a sum of positive squares in 2 ways, for example, as 4072324 + 4260096 = 2018^2 + 2064^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8332391 and 8332400.

It is not an unprimeable number, because it can be changed into a prime (8332427) 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 3 ways as a sum of consecutive naturals, for example, 208291 + ... + 208330.

It is an arithmetic number, because the mean of its divisors is an integer number (1458177).

Almost surely, 2^8332420 is an apocalyptic number.

It is an amenable number.

8332420 is an abundant number, since it is smaller than the sum of its proper divisors (9165704).

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

8332420 is a wasteful number, since it uses less digits than its factorization.

8332420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416630 (or 416628 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 8332420 is about 2886.5931476396. The cubic root of 8332420 is about 202.7326594781.

Adding to 8332420 its reverse (242338), we get a palindrome (8574758).

The spelling of 8332420 in words is "eight million, three hundred thirty-two thousand, four hundred twenty".