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998653 is a prime number
BaseRepresentation
bin11110011110011111101
31212201220011
43303303331
5223424103
633223221
711326345
oct3636375
91781804
10998653
11622337
12401b11
1328c726
141bdd25
1514ad6d
hexf3cfd

998653 has 2 divisors, whose sum is σ = 998654. Its totient is φ = 998652.

The previous prime is 998651. The next prime is 998681. The reversal of 998653 is 356899.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 870489 + 128164 = 933^2 + 358^2 .

It is a cyclic number.

It is not a de Polignac number, because 998653 - 21 = 998651 is a prime.

Together with 998651, it forms a pair of twin primes.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499326 + 499327.

It is an arithmetic number, because the mean of its divisors is an integer number (499327).

2998653 is an apocalyptic number.

It is an amenable number.

998653 is a deficient number, since it is larger than the sum of its proper divisors (1).

998653 is an equidigital number, since it uses as much as digits as its factorization.

998653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 40.

The square root of 998653 is about 999.3262730460. The cubic root of 998653 is about 99.9550798248.

The spelling of 998653 in words is "nine hundred ninety-eight thousand, six hundred fifty-three".