8420324 has 24 divisors (see below), whose sum is σ = 16632000. Its totient is φ = 3694880.

The previous prime is 8420317. The next prime is 8420327. The reversal of 8420324 is 4230248.

It is a self number, because there is not a number n which added to its sum of digits gives 8420324.

It is not an unprimeable number, because it can be changed into a prime (8420327) 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 7 ways as a sum of consecutive naturals, for example, 2024 + ... + 4575.

It is an arithmetic number, because the mean of its divisors is an integer number (693000).

Almost surely, 2^8420324 is an apocalyptic number.

It is an amenable number.

8420324 is a deficient number, since it is larger than the sum of its proper divisors (8211676).

8420324 is a wasteful number, since it uses less digits than its factorization.

8420324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6643 (or 6641 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 8420324 is about 2901.7794540592. The cubic root of 8420324 is about 203.4430856621.

The spelling of 8420324 in words is "eight million, four hundred twenty thousand, three hundred twenty-four".