8438028 has 12 divisors (see below), whose sum is σ = 19688760. Its totient is φ = 2812672.

The previous prime is 8438011. The next prime is 8438041. The reversal of 8438028 is 8208348.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 8438028.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351573 + ... + 351596.

It is an arithmetic number, because the mean of its divisors is an integer number (1640730).

Almost surely, 2^8438028 is an apocalyptic number.

It is an amenable number.

8438028 is an abundant number, since it is smaller than the sum of its proper divisors (11250732).

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

8438028 is a wasteful number, since it uses less digits than its factorization.

8438028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703176 (or 703174 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 8438028 is about 2904.8283942429. The cubic root of 8438028 is about 203.5855677116.

The spelling of 8438028 in words is "eight million, four hundred thirty-eight thousand, twenty-eight".