104387089 has 9 divisors (see below), whose sum is σ = 111073521. Its totient is φ = 98083200.

The previous prime is 104387081. The next prime is 104387099. The reversal of 104387089 is 980783401.

The square root of 104387089 is 10217.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 40259025 + 64128064 = 6345^2 + 8008^2 .

It is not a de Polignac number, because 104387089 - 2³ = 104387081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104387081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 173389 + ... + 173989.

Almost surely, 2^104387089 is an apocalyptic number.

104387089 is the 10217-th square number.

104387089 is the 5109-th centered octagonal number.

It is an amenable number.

104387089 is a deficient number, since it is larger than the sum of its proper divisors (6686432).

104387089 is an frugal number, since it uses more digits than its factorization.

104387089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The cubic root of 104387089 is about 470.8496611945.

The spelling of 104387089 in words is "one hundred four million, three hundred eighty-seven thousand, eighty-nine".