7697849 has 2 divisors, whose sum is σ = 7697850. Its totient is φ = 7697848.

The previous prime is 7697843. The next prime is 7697857. The reversal of 7697849 is 9487967.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5856400 + 1841449 = 2420^2 + 1357^2 .

It is a cyclic number.

It is not a de Polignac number, because 7697849 - 2⁸ = 7697593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7697797 and 7697806.

It is not a weakly prime, because it can be changed into another prime (7697843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3848924 + 3848925.

It is an arithmetic number, because the mean of its divisors is an integer number (3848925).

Almost surely, 2^7697849 is an apocalyptic number.

It is an amenable number.

7697849 is a deficient number, since it is larger than the sum of its proper divisors (1).

7697849 is an equidigital number, since it uses as much as digits as its factorization.

7697849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 50.

The square root of 7697849 is about 2774.4997747342. The cubic root of 7697849 is about 197.4496928964.

The spelling of 7697849 in words is "seven million, six hundred ninety-seven thousand, eight hundred forty-nine".