103944749 has 4 divisors (see below), whose sum is σ = 110059164. Its totient is φ = 97830336.

The previous prime is 103944721. The next prime is 103944761. The reversal of 103944749 is 947449301.

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 80227849 + 23716900 = 8957^2 + 4870^2 .

It is a cyclic number.

It is not a de Polignac number, because 103944749 - 2⁸ = 103944493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103944349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3057182 + ... + 3057215.

It is an arithmetic number, because the mean of its divisors is an integer number (27514791).

Almost surely, 2^103944749 is an apocalyptic number.

It is an amenable number.

103944749 is a deficient number, since it is larger than the sum of its proper divisors (6114415).

103944749 is an equidigital number, since it uses as much as digits as its factorization.

103944749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6114414.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 103944749 is about 10195.3297641616. The cubic root of 103944749 is about 470.1836448483.

The spelling of 103944749 in words is "one hundred three million, nine hundred forty-four thousand, seven hundred forty-nine".