104397817 has 4 divisors (see below), whose sum is σ = 104521060. Its totient is φ = 104274576.

The previous prime is 104397793. The next prime is 104397869. The reversal of 104397817 is 718793401.

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 47485881 + 56911936 = 6891^2 + 7544^2 .

It is a cyclic number.

It is not a de Polignac number, because 104397817 - 2¹¹ = 104395769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104397817.

It is not an unprimeable number, because it can be changed into a prime (104391817) 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, 60342 + ... + 62047.

It is an arithmetic number, because the mean of its divisors is an integer number (26130265).

Almost surely, 2^104397817 is an apocalyptic number.

It is an amenable number.

104397817 is a deficient number, since it is larger than the sum of its proper divisors (123243).

104397817 is an equidigital number, since it uses as much as digits as its factorization.

104397817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123242.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 104397817 is about 10217.5249938525. The cubic root of 104397817 is about 470.8657905906.

The spelling of 104397817 in words is "one hundred four million, three hundred ninety-seven thousand, eight hundred seventeen".