7980328 has 8 divisors (see below), whose sum is σ = 14963130. Its totient is φ = 3990160.

The previous prime is 7980319. The next prime is 7980331. The reversal of 7980328 is 8230897.

It can be written as a sum of positive squares in only one way, i.e., 7941124 + 39204 = 2818^2 + 198^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 498763 + ... + 498778.

Almost surely, 2^7980328 is an apocalyptic number.

It is an amenable number.

7980328 is a deficient number, since it is larger than the sum of its proper divisors (6982802).

7980328 is a wasteful number, since it uses less digits than its factorization.

7980328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997547 (or 997543 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 7980328 is about 2824.9474331392. The cubic root of 7980328 is about 199.8359321121.

The spelling of 7980328 in words is "seven million, nine hundred eighty thousand, three hundred twenty-eight".