7948609 has 2 divisors, whose sum is σ = 7948610. Its totient is φ = 7948608.

The previous prime is 7948597. The next prime is 7948637. The reversal of 7948609 is 9068497.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7263025 + 685584 = 2695^2 + 828^2 .

It is a cyclic number.

It is not a de Polignac number, because 7948609 - 2¹³ = 7940417 is a prime.

It is not a weakly prime, because it can be changed into another prime (7948309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3974304 + 3974305.

It is an arithmetic number, because the mean of its divisors is an integer number (3974305).

Almost surely, 2^7948609 is an apocalyptic number.

It is an amenable number.

7948609 is a deficient number, since it is larger than the sum of its proper divisors (1).

7948609 is an equidigital number, since it uses as much as digits as its factorization.

7948609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 7948609 is about 2819.3277567534. The cubic root of 7948609 is about 199.5708213539.

The spelling of 7948609 in words is "seven million, nine hundred forty-eight thousand, six hundred nine".