884105009 has 8 divisors (see below), whose sum is σ = 938895048. Its totient is φ = 829624320.

The previous prime is 884105003. The next prime is 884105023. The reversal of 884105009 is 900501488.

It can be written as a sum of positive squares in 4 ways, for example, as 21390625 + 862714384 = 4625^2 + 29372^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 884105009 - 2²⁴ = 867327793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 884105009.

It is not an unprimeable number, because it can be changed into a prime (884105003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71432 + ... + 82889.

It is an arithmetic number, because the mean of its divisors is an integer number (117361881).

Almost surely, 2^884105009 is an apocalyptic number.

It is an amenable number.

884105009 is a deficient number, since it is larger than the sum of its proper divisors (54790039).

884105009 is a wasteful number, since it uses less digits than its factorization.

884105009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154675.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 884105009 is about 29733.9033596331. The cubic root of 884105009 is about 959.7717227046.

The spelling of 884105009 in words is "eight hundred eighty-four million, one hundred five thousand, nine".