1104505389 has 40 divisors (see below), whose sum is σ = 1824946200. Its totient is φ = 661302144.

The previous prime is 1104505387. The next prime is 1104505421. The reversal of 1104505389 is 9835054011.

1104505389 is a `hidden beast` number, since 110 + 4 + 5 + 0 + 538 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 18275625 + 1086229764 = 4275^2 + 32958^2 .

It is not a de Polignac number, because 1104505389 - 2¹ = 1104505387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104505387) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24787 + ... + 53135.

It is an arithmetic number, because the mean of its divisors is an integer number (45623655).

Almost surely, 2^1104505389 is an apocalyptic number.

It is an amenable number.

1104505389 is a deficient number, since it is larger than the sum of its proper divisors (720440811).

1104505389 is a wasteful number, since it uses less digits than its factorization.

1104505389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28411 (or 28402 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 1104505389 is about 33234.0997922315. The cubic root of 1104505389 is about 1033.6875361409.

The spelling of 1104505389 in words is "one billion, one hundred four million, five hundred five thousand, three hundred eighty-nine".