7898347 has 2 divisors, whose sum is σ = 7898348. Its totient is φ = 7898346.

The previous prime is 7898339. The next prime is 7898377. The reversal of 7898347 is 7438987.

It is a weak prime.

It is an emirp because it is prime and its reverse (7438987) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7898347 - 2³ = 7898339 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 7898297 and 7898306.

It is not a weakly prime, because it can be changed into another prime (7898377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3949173 + 3949174.

It is an arithmetic number, because the mean of its divisors is an integer number (3949174).

Almost surely, 2^7898347 is an apocalyptic number.

7898347 is a deficient number, since it is larger than the sum of its proper divisors (1).

7898347 is an equidigital number, since it uses as much as digits as its factorization.

7898347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 46.

The square root of 7898347 is about 2810.3997936237. The cubic root of 7898347 is about 199.1492781592.

The spelling of 7898347 in words is "seven million, eight hundred ninety-eight thousand, three hundred forty-seven".