434844909 has 8 divisors (see below), whose sum is σ = 644214720. Its totient is φ = 289896588.

The previous prime is 434844881. The next prime is 434844911. The reversal of 434844909 is 909448434.

It is not a de Polignac number, because 434844909 - 2⁸ = 434844653 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434844919) 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, 8052657 + ... + 8052710.

It is an arithmetic number, because the mean of its divisors is an integer number (80526840).

Almost surely, 2^434844909 is an apocalyptic number.

It is an amenable number.

434844909 is a deficient number, since it is larger than the sum of its proper divisors (209369811).

434844909 is a wasteful number, since it uses less digits than its factorization.

434844909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16105376 (or 16105370 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 434844909 is about 20852.9352610130. The cubic root of 434844909 is about 757.6084267889.

The spelling of 434844909 in words is "four hundred thirty-four million, eight hundred forty-four thousand, nine hundred nine".