104889089 has 4 divisors (see below), whose sum is σ = 108272640. Its totient is φ = 101505540.

The previous prime is 104889077. The next prime is 104889091. The reversal of 104889089 is 980988401.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104889089 is a prime.

It is a super-2 number, since 2×104889089² = 22003441982499842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104819089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691729 + ... + 1691790.

It is an arithmetic number, because the mean of its divisors is an integer number (27068160).

Almost surely, 2^104889089 is an apocalyptic number.

It is an amenable number.

104889089 is a deficient number, since it is larger than the sum of its proper divisors (3383551).

104889089 is an equidigital number, since it uses as much as digits as its factorization.

104889089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383550.

The product of its (nonzero) digits is 165888, while the sum is 47.

The square root of 104889089 is about 10241.5374334130. The cubic root of 104889089 is about 471.6032302543.

The spelling of 104889089 in words is "one hundred four million, eight hundred eighty-nine thousand, eighty-nine".