7989828 has 48 divisors (see below), whose sum is σ = 23245824. Its totient is φ = 2075040.

The previous prime is 7989769. The next prime is 7989851. The reversal of 7989828 is 8289897.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3400 + ... + 5247.

It is an arithmetic number, because the mean of its divisors is an integer number (484288).

Almost surely, 2^7989828 is an apocalyptic number.

It is an amenable number.

7989828 is an abundant number, since it is smaller than the sum of its proper divisors (15255996).

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

7989828 is a wasteful number, since it uses less digits than its factorization.

7989828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8672 (or 8670 counting only the distinct ones).

The product of its digits is 580608, while the sum is 51.

The square root of 7989828 is about 2826.6283802439. The cubic root of 7989828 is about 199.9151973810.

The spelling of 7989828 in words is "seven million, nine hundred eighty-nine thousand, eight hundred twenty-eight".