104190749 has 8 divisors (see below), whose sum is σ = 112414680. Its totient is φ = 95996736.

The previous prime is 104190743. The next prime is 104190761. The reversal of 104190749 is 947091401.

It can be written as a sum of positive squares in 4 ways, for example, as 2544025 + 101646724 = 1595^2 + 10082^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104190749 - 2¹² = 104186653 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 (104190743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47 + ... + 14435.

It is an arithmetic number, because the mean of its divisors is an integer number (14051835).

Almost surely, 2^104190749 is an apocalyptic number.

It is an amenable number.

104190749 is a deficient number, since it is larger than the sum of its proper divisors (8223931).

104190749 is a wasteful number, since it uses less digits than its factorization.

104190749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14959.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 104190749 is about 10207.3869819852. The cubic root of 104190749 is about 470.5542713959.

The spelling of 104190749 in words is "one hundred four million, one hundred ninety thousand, seven hundred forty-nine".