104303993 has 6 divisors (see below), whose sum is σ = 110484126. Its totient is φ = 98128832.

The previous prime is 104303989. The next prime is 104304007. The reversal of 104303993 is 399303401.

It can be written as a sum of positive squares in 3 ways, for example, as 27793984 + 76510009 = 5272^2 + 8747^2 .

It is not a de Polignac number, because 104303993 - 2² = 104303989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104303963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40871 + ... + 43347.

It is an arithmetic number, because the mean of its divisors is an integer number (18414021).

Almost surely, 2^104303993 is an apocalyptic number.

It is an amenable number.

104303993 is a deficient number, since it is larger than the sum of its proper divisors (6180133).

104303993 is an frugal number, since it uses more digits than its factorization.

104303993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4971 (or 2494 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 104303993 is about 10212.9326346549. The cubic root of 104303993 is about 470.7246900885.

The spelling of 104303993 in words is "one hundred four million, three hundred three thousand, nine hundred ninety-three".