108504409 has 32 divisors (see below), whose sum is σ = 128024064. Its totient is φ = 91153920.

The previous prime is 108504391. The next prime is 108504443. The reversal of 108504409 is 904405801.

It is a happy number.

It is not a de Polignac number, because 108504409 - 2⁷ = 108504281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108504469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 649644 + ... + 649810.

It is an arithmetic number, because the mean of its divisors is an integer number (4000752).

Almost surely, 2^108504409 is an apocalyptic number.

It is an amenable number.

108504409 is a deficient number, since it is larger than the sum of its proper divisors (19519655).

108504409 is a wasteful number, since it uses less digits than its factorization.

108504409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 108504409 is about 10416.5449646224. The cubic root of 108504409 is about 476.9605526816.

The spelling of 108504409 in words is "one hundred eight million, five hundred four thousand, four hundred nine".