7900829 has 2 divisors, whose sum is σ = 7900830. Its totient is φ = 7900828.

The previous prime is 7900817. The next prime is 7900859. The reversal of 7900829 is 9280097.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7812025 + 88804 = 2795^2 + 298^2 .

It is an emirp because it is prime and its reverse (9280097) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7900829 - 2⁴ = 7900813 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7900859) 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 as a sum of consecutive naturals, namely, 3950414 + 3950415.

It is an arithmetic number, because the mean of its divisors is an integer number (3950415).

Almost surely, 2^7900829 is an apocalyptic number.

It is an amenable number.

7900829 is a deficient number, since it is larger than the sum of its proper divisors (1).

7900829 is an equidigital number, since it uses as much as digits as its factorization.

7900829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 7900829 is about 2810.8413331243. The cubic root of 7900829 is about 199.1701363945.

The spelling of 7900829 in words is "seven million, nine hundred thousand, eight hundred twenty-nine".