984397 has 2 divisors, whose sum is σ = 984398. Its totient is φ = 984396.

The previous prime is 984391. The next prime is 984407. The reversal of 984397 is 793489.

984397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 948676 + 35721 = 974^2 + 189^2 .

It is an emirp because it is prime and its reverse (793489) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-984397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (984391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492198 + 492199.

It is an arithmetic number, because the mean of its divisors is an integer number (492199).

2⁹⁸⁴³⁹⁷ is an apocalyptic number.

It is an amenable number.

984397 is a deficient number, since it is larger than the sum of its proper divisors (1).

984397 is an equidigital number, since it uses as much as digits as its factorization.

984397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 40.

The square root of 984397 is about 992.1678285452. The cubic root of 984397 is about 99.4771712650.

The spelling of 984397 in words is "nine hundred eighty-four thousand, three hundred ninety-seven".