104404403 has 2 divisors, whose sum is σ = 104404404. Its totient is φ = 104404402.

The previous prime is 104404369. The next prime is 104404423. The reversal of 104404403 is 304404401.

It is an a-pointer prime, because the next prime (104404423) can be obtained adding 104404403 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104404403 is a prime.

It is not a weakly prime, because it can be changed into another prime (104404423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52202201 + 52202202.

It is an arithmetic number, because the mean of its divisors is an integer number (52202202).

Almost surely, 2^104404403 is an apocalyptic number.

104404403 is a deficient number, since it is larger than the sum of its proper divisors (1).

104404403 is an equidigital number, since it uses as much as digits as its factorization.

104404403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 104404403 is about 10217.8472781697. The cubic root of 104404403 is about 470.8756920010.

Adding to 104404403 its reverse (304404401), we get a palindrome (408808804).

The spelling of 104404403 in words is "one hundred four million, four hundred four thousand, four hundred three".