7980826 has 48 divisors (see below), whose sum is σ = 14971392. Its totient is φ = 3175200.

The previous prime is 7980821. The next prime is 7980859. The reversal of 7980826 is 6280897.

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 23 ways as a sum of consecutive naturals, for example, 112371 + ... + 112441.

It is an arithmetic number, because the mean of its divisors is an integer number (311904).

Almost surely, 2^7980826 is an apocalyptic number.

7980826 is a deficient number, since it is larger than the sum of its proper divisors (6990566).

7980826 is a wasteful number, since it uses less digits than its factorization.

7980826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 7980826 is about 2825.0355749972. The cubic root of 7980826 is about 199.8400888429.

The spelling of 7980826 in words is "seven million, nine hundred eighty thousand, eight hundred twenty-six".