109904589 has 24 divisors (see below), whose sum is σ = 162868160. Its totient is φ = 71394048.

The previous prime is 109904573. The next prime is 109904611. The reversal of 109904589 is 985409901.

109904589 is a `hidden beast` number, since 109 + 90 + 458 + 9 = 666.

It is not a de Polignac number, because 109904589 - 2⁴ = 109904573 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 (109904549) 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, 57552 + ... + 59430.

Almost surely, 2^109904589 is an apocalyptic number.

It is an amenable number.

109904589 is a deficient number, since it is larger than the sum of its proper divisors (52963571).

109904589 is a wasteful number, since it uses less digits than its factorization.

109904589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049 (or 2046 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 109904589 is about 10483.5389539983. The cubic root of 109904589 is about 479.0034140705.

The spelling of 109904589 in words is "one hundred nine million, nine hundred four thousand, five hundred eighty-nine".