103673993 has 2 divisors, whose sum is σ = 103673994. Its totient is φ = 103673992.

The previous prime is 103673917. The next prime is 103674001. The reversal of 103673993 is 399376301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76247824 + 27426169 = 8732^2 + 5237^2 .

It is a cyclic number.

It is not a de Polignac number, because 103673993 - 2²⁰ = 102625417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103673993.

It is not a weakly prime, because it can be changed into another prime (103673693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51836996 + 51836997.

It is an arithmetic number, because the mean of its divisors is an integer number (51836997).

Almost surely, 2^103673993 is an apocalyptic number.

It is an amenable number.

103673993 is a deficient number, since it is larger than the sum of its proper divisors (1).

103673993 is an equidigital number, since it uses as much as digits as its factorization.

103673993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 41.

The square root of 103673993 is about 10182.0426732557. The cubic root of 103673993 is about 469.7750439989.

The spelling of 103673993 in words is "one hundred three million, six hundred seventy-three thousand, nine hundred ninety-three".