434430650 has 12 divisors (see below), whose sum is σ = 808041102. Its totient is φ = 173772240.

The previous prime is 434430641. The next prime is 434430679. The reversal of 434430650 is 56034434.

It is a Cunningham number, because it is equal to 20843²+1.

It can be written as a sum of positive squares in 3 ways, for example, as 400360081 + 34070569 = 20009^2 + 5837^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4344257 + ... + 4344356.

Almost surely, 2^434430650 is an apocalyptic number.

434430650 is a deficient number, since it is larger than the sum of its proper divisors (373610452).

434430650 is a wasteful number, since it uses less digits than its factorization.

434430650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8688625 (or 8688620 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 434430650 is about 20843.0000239889. Note that the first 4 decimals coincide. The cubic root of 434430650 is about 757.3677694738.

The spelling of 434430650 in words is "four hundred thirty-four million, four hundred thirty thousand, six hundred fifty".