8028420 has 72 divisors (see below), whose sum is σ = 23931264. Its totient is φ = 2010624.

The previous prime is 8028413. The next prime is 8028439. The reversal of 8028420 is 248208.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17109 + ... + 17571.

Almost surely, 2^8028420 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 8028420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11965632).

8028420 is an abundant number, since it is smaller than the sum of its proper divisors (15902844).

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

8028420 is a wasteful number, since it uses less digits than its factorization.

8028420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 8028420 is about 2833.4466644001. The cubic root of 8028420 is about 200.2365534354.

It can be divided in two parts, 8028 and 420, that added together give a palindrome (8448).

The spelling of 8028420 in words is "eight million, twenty-eight thousand, four hundred twenty".