104438749 has 2 divisors, whose sum is σ = 104438750. Its totient is φ = 104438748.

The previous prime is 104438743. The next prime is 104438797. The reversal of 104438749 is 947834401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103673124 + 765625 = 10182^2 + 875^2 .

It is a cyclic number.

It is not a de Polignac number, because 104438749 - 2¹¹ = 104436701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104438743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52219374 + 52219375.

It is an arithmetic number, because the mean of its divisors is an integer number (52219375).

Almost surely, 2^104438749 is an apocalyptic number.

It is an amenable number.

104438749 is a deficient number, since it is larger than the sum of its proper divisors (1).

104438749 is an equidigital number, since it uses as much as digits as its factorization.

104438749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 104438749 is about 10219.5278266660. The cubic root of 104438749 is about 470.9273211243.

It can be divided in two parts, 1044 and 38749, that added together give a palindrome (39793).

The spelling of 104438749 in words is "one hundred four million, four hundred thirty-eight thousand, seven hundred forty-nine".