7980828 has 12 divisors (see below), whose sum is σ = 18621960. Its totient is φ = 2660272.

The previous prime is 7980821. The next prime is 7980859. The reversal of 7980828 is 8280897.

It is a happy number.

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

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 7980828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7980821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332523 + ... + 332546.

It is an arithmetic number, because the mean of its divisors is an integer number (1551830).

Almost surely, 2^7980828 is an apocalyptic number.

It is an amenable number.

7980828 is an abundant number, since it is smaller than the sum of its proper divisors (10641132).

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

7980828 is a wasteful number, since it uses less digits than its factorization.

7980828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665076 (or 665074 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 7980828 is about 2825.0359289751. The cubic root of 7980828 is about 199.8401055362.

The spelling of 7980828 in words is "seven million, nine hundred eighty thousand, eight hundred twenty-eight".