7879828 has 48 divisors (see below), whose sum is σ = 15966720. Its totient is φ = 3369600.

The previous prime is 7879799. The next prime is 7879841. The reversal of 7879828 is 8289787.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 72238 + ... + 72346.

It is an arithmetic number, because the mean of its divisors is an integer number (332640).

Almost surely, 2^7879828 is an apocalyptic number.

It is an amenable number.

7879828 is an abundant number, since it is smaller than the sum of its proper divisors (8086892).

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

7879828 is a wasteful number, since it uses less digits than its factorization.

7879828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 206 counting only the distinct ones).

The product of its digits is 451584, while the sum is 49.

The square root of 7879828 is about 2807.1031331250. The cubic root of 7879828 is about 198.9935100532.

The spelling of 7879828 in words is "seven million, eight hundred seventy-nine thousand, eight hundred twenty-eight".