104192889 has 4 divisors (see below), whose sum is σ = 138923856. Its totient is φ = 69461924.

The previous prime is 104192887. The next prime is 104192897. The reversal of 104192889 is 988291401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 988291401 = 3 ⋅329430467.

It is a cyclic number.

It is not a de Polignac number, because 104192889 - 2¹ = 104192887 is a prime.

It is a super-3 number, since 3×104192889³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 104192889.

It is not an unprimeable number, because it can be changed into a prime (104192887) 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 in 3 ways as a sum of consecutive naturals, for example, 17365479 + ... + 17365484.

It is an arithmetic number, because the mean of its divisors is an integer number (34730964).

Almost surely, 2^104192889 is an apocalyptic number.

It is an amenable number.

104192889 is a deficient number, since it is larger than the sum of its proper divisors (34730967).

104192889 is an equidigital number, since it uses as much as digits as its factorization.

104192889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34730966.

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 104192889 is about 10207.4918074912. The cubic root of 104192889 is about 470.5574929847.

The spelling of 104192889 in words is "one hundred four million, one hundred ninety-two thousand, eight hundred eighty-nine".