7914409 has 2 divisors, whose sum is σ = 7914410. Its totient is φ = 7914408.

The previous prime is 7914397. The next prime is 7914421. The reversal of 7914409 is 9044197.

It is a balanced prime because it is at equal distance from previous prime (7914397) and next prime (7914421).

It can be written as a sum of positive squares in only one way, i.e., 7856809 + 57600 = 2803^2 + 240^2 .

It is an emirp because it is prime and its reverse (9044197) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7914409 is a prime.

It is not a weakly prime, because it can be changed into another prime (7914449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3957204 + 3957205.

It is an arithmetic number, because the mean of its divisors is an integer number (3957205).

Almost surely, 2^7914409 is an apocalyptic number.

It is an amenable number.

7914409 is a deficient number, since it is larger than the sum of its proper divisors (1).

7914409 is an equidigital number, since it uses as much as digits as its factorization.

7914409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 7914409 is about 2813.2559428534. The cubic root of 7914409 is about 199.2841827515.

It can be divided in two parts, 79 and 14409, that multiplied together give a palindrome (1138311).

The spelling of 7914409 in words is "seven million, nine hundred fourteen thousand, four hundred nine".