104749 has 6 divisors (see below), whose sum is σ = 109230. Its totient is φ = 100440.

The previous prime is 104743. The next prime is 104759. The reversal of 104749 is 947401.

It can be written as a sum of positive squares in only one way, i.e., 96100 + 8649 = 310^2 + 93^2 .

It is not a de Polignac number, because 104749 - 2⁵ = 104717 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 (104743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 907 + ... + 1015.

It is an arithmetic number, because the mean of its divisors is an integer number (18205).

2¹⁰⁴⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

104749 is a deficient number, since it is larger than the sum of its proper divisors (4481).

104749 is an equidigital number, since it uses as much as digits as its factorization.

104749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 104749 is about 323.6495017762. The cubic root of 104749 is about 47.1393180255.

The spelling of 104749 in words is "one hundred four thousand, seven hundred forty-nine".