100984817 has 2 divisors, whose sum is σ = 100984818. Its totient is φ = 100984816.

The previous prime is 100984801. The next prime is 100984841. The reversal of 100984817 is 718489001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94789696 + 6195121 = 9736^2 + 2489^2 .

It is an emirp because it is prime and its reverse (718489001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100984817 - 2⁴ = 100984801 is a prime.

It is not a weakly prime, because it can be changed into another prime (100984417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50492408 + 50492409.

It is an arithmetic number, because the mean of its divisors is an integer number (50492409).

Almost surely, 2^100984817 is an apocalyptic number.

It is an amenable number.

100984817 is a deficient number, since it is larger than the sum of its proper divisors (1).

100984817 is an equidigital number, since it uses as much as digits as its factorization.

100984817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 100984817 is about 10049.1202102473. The cubic root of 100984817 is about 465.6776138435.

The spelling of 100984817 in words is "one hundred million, nine hundred eighty-four thousand, eight hundred seventeen".