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9998249 is a prime number
BaseRepresentation
bin100110001000…
…111110101001
3200210222000112
4212020332221
510024420444
6554144105
7150661262
oct46107651
920728015
109998249
115709918
123422035
1320c0b31
141483969
15d2769e
hex988fa9

9998249 has 2 divisors, whose sum is σ = 9998250. Its totient is φ = 9998248.

The previous prime is 9998239. The next prime is 9998273. The reversal of 9998249 is 9428999.

9998249 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., 8743849 + 1254400 = 2957^2 + 1120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9998249 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 9998197 and 9998206.

It is not a weakly prime, because it can be changed into another prime (9998239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999124 + 4999125.

It is an arithmetic number, because the mean of its divisors is an integer number (4999125).

Almost surely, 29998249 is an apocalyptic number.

It is an amenable number.

9998249 is a deficient number, since it is larger than the sum of its proper divisors (1).

9998249 is an equidigital number, since it uses as much as digits as its factorization.

9998249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 50.

The square root of 9998249 is about 3162.0007906387. Note that the first 3 decimals coincide. The cubic root of 9998249 is about 215.4308935520.

The spelling of 9998249 in words is "nine million, nine hundred ninety-eight thousand, two hundred forty-nine".