103998929 has 2 divisors, whose sum is σ = 103998930. Its totient is φ = 103998928.

The previous prime is 103998907. The next prime is 103998953. The reversal of 103998929 is 929899301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96491329 + 7507600 = 9823^2 + 2740^2 .

It is an emirp because it is prime and its reverse (929899301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103998929 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (103998029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51999464 + 51999465.

It is an arithmetic number, because the mean of its divisors is an integer number (51999465).

Almost surely, 2^103998929 is an apocalyptic number.

It is an amenable number.

103998929 is a deficient number, since it is larger than the sum of its proper divisors (1).

103998929 is an equidigital number, since it uses as much as digits as its factorization.

103998929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 314928, while the sum is 50.

The square root of 103998929 is about 10197.9865169552. The cubic root of 103998929 is about 470.2653232569.

The spelling of 103998929 in words is "one hundred three million, nine hundred ninety-eight thousand, nine hundred twenty-nine".