104388489 has 24 divisors (see below), whose sum is σ = 159592160. Its totient is φ = 65567232.

The previous prime is 104388481. The next prime is 104388499. The reversal of 104388489 is 984883401.

It is not a de Polignac number, because 104388489 - 2³ = 104388481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104388481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31422 + ... + 34584.

Almost surely, 2^104388489 is an apocalyptic number.

104388489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

104388489 is a deficient number, since it is larger than the sum of its proper divisors (55203671).

104388489 is a wasteful number, since it uses less digits than its factorization.

104388489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381 (or 3378 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 104388489 is about 10217.0685130325. The cubic root of 104388489 is about 470.8517661373.

The spelling of 104388489 in words is "one hundred four million, three hundred eighty-eight thousand, four hundred eighty-nine".