8021328 has 40 divisors (see below), whose sum is σ = 23683008. Its totient is φ = 2291712.

The previous prime is 8021327. The next prime is 8021333. The reversal of 8021328 is 8231208.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 8021298 and 8021307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8021323) 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, 11601 + ... + 12272.

Almost surely, 2^8021328 is an apocalyptic number.

It is an amenable number.

8021328 is an abundant number, since it is smaller than the sum of its proper divisors (15661680).

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

8021328 is a wasteful number, since it uses less digits than its factorization.

8021328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23891 (or 23885 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 8021328 is about 2832.1949085471. The cubic root of 8021328 is about 200.1775756212.

The spelling of 8021328 in words is "eight million, twenty-one thousand, three hundred twenty-eight".