7845349 has 2 divisors, whose sum is σ = 7845350. Its totient is φ = 7845348.

The previous prime is 7845329. The next prime is 7845361. The reversal of 7845349 is 9435487.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5904900 + 1940449 = 2430^2 + 1393^2 .

It is a cyclic number.

It is not a de Polignac number, because 7845349 - 2⁵ = 7845317 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 (7845329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3922674 + 3922675.

It is an arithmetic number, because the mean of its divisors is an integer number (3922675).

Almost surely, 2^7845349 is an apocalyptic number.

It is an amenable number.

7845349 is a deficient number, since it is larger than the sum of its proper divisors (1).

7845349 is an equidigital number, since it uses as much as digits as its factorization.

7845349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 7845349 is about 2800.9550157045. The cubic root of 7845349 is about 198.7028468232.

The spelling of 7845349 in words is "seven million, eight hundred forty-five thousand, three hundred forty-nine".