9998377 has 2 divisors, whose sum is σ = 9998378. Its totient is φ = 9998376.

The previous prime is 9998333. The next prime is 9998381. The reversal of 9998377 is 7738999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9865881 + 132496 = 3141^2 + 364^2 .

It is a cyclic number.

It is not a de Polignac number, because 9998377 - 2⁷ = 9998249 is a prime.

It is not a weakly prime, because it can be changed into another prime (9998777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999188 + 4999189.

It is an arithmetic number, because the mean of its divisors is an integer number (4999189).

Almost surely, 2^9998377 is an apocalyptic number.

It is an amenable number.

9998377 is a deficient number, since it is larger than the sum of its proper divisors (1).

9998377 is an equidigital number, since it uses as much as digits as its factorization.

9998377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857304, while the sum is 52.

The square root of 9998377 is about 3162.0210309231. The cubic root of 9998377 is about 215.4318128809.

The spelling of 9998377 in words is "nine million, nine hundred ninety-eight thousand, three hundred seventy-seven".