104237993 has 2 divisors, whose sum is σ = 104237994. Its totient is φ = 104237992.

The previous prime is 104237953. The next prime is 104238007. The reversal of 104237993 is 399732401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92698384 + 11539609 = 9628^2 + 3397^2 .

It is an emirp because it is prime and its reverse (399732401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104237993 - 2⁶ = 104237929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104237923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52118996 + 52118997.

It is an arithmetic number, because the mean of its divisors is an integer number (52118997).

Almost surely, 2^104237993 is an apocalyptic number.

It is an amenable number.

104237993 is a deficient number, since it is larger than the sum of its proper divisors (1).

104237993 is an equidigital number, since it uses as much as digits as its factorization.

104237993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 104237993 is about 10209.7009260801. The cubic root of 104237993 is about 470.6253829771.

The spelling of 104237993 in words is "one hundred four million, two hundred thirty-seven thousand, nine hundred ninety-three".