104320493 has 4 divisors (see below), whose sum is σ = 105396060. Its totient is φ = 103244928.

The previous prime is 104320471. The next prime is 104320519. The reversal of 104320493 is 394023401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86359849 + 17960644 = 9293^2 + 4238^2 .

It is a cyclic number.

It is not a de Polignac number, because 104320493 - 2¹⁸ = 104058349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104320423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537638 + ... + 537831.

It is an arithmetic number, because the mean of its divisors is an integer number (26349015).

Almost surely, 2^104320493 is an apocalyptic number.

It is an amenable number.

104320493 is a deficient number, since it is larger than the sum of its proper divisors (1075567).

104320493 is an equidigital number, since it uses as much as digits as its factorization.

104320493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075566.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 104320493 is about 10213.7404020271. The cubic root of 104320493 is about 470.7495103203.

Adding to 104320493 its reverse (394023401), we get a palindrome (498343894).

The spelling of 104320493 in words is "one hundred four million, three hundred twenty thousand, four hundred ninety-three".