104440997 has 2 divisors, whose sum is σ = 104440998. Its totient is φ = 104440996.

The previous prime is 104440993. The next prime is 104441011. The reversal of 104440997 is 799044401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66569281 + 37871716 = 8159^2 + 6154^2 .

It is an emirp because it is prime and its reverse (799044401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104440997 - 2² = 104440993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104440997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104440993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52220498 + 52220499.

It is an arithmetic number, because the mean of its divisors is an integer number (52220499).

Almost surely, 2^104440997 is an apocalyptic number.

It is an amenable number.

104440997 is a deficient number, since it is larger than the sum of its proper divisors (1).

104440997 is an equidigital number, since it uses as much as digits as its factorization.

104440997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 104440997 is about 10219.6378115861. The cubic root of 104440997 is about 470.9306999373.

The spelling of 104440997 in words is "one hundred four million, four hundred forty thousand, nine hundred ninety-seven".