8028642 has 8 divisors (see below), whose sum is σ = 16057296. Its totient is φ = 2676212.

The previous prime is 8028619. The next prime is 8028649. The reversal of 8028642 is 2468208.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

8028642 is an admirable number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8028649) 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, 669048 + ... + 669059.

It is an arithmetic number, because the mean of its divisors is an integer number (2007162).

Almost surely, 2^8028642 is an apocalyptic number.

8028642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8028642 is a wasteful number, since it uses less digits than its factorization.

8028642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338112.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 8028642 is about 2833.4858390329. The cubic root of 8028642 is about 200.2383990499.

The spelling of 8028642 in words is "eight million, twenty-eight thousand, six hundred forty-two".