434190961 has 2 divisors, whose sum is σ = 434190962. Its totient is φ = 434190960.

The previous prime is 434190959. The next prime is 434190979. The reversal of 434190961 is 169091434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 329640336 + 104550625 = 18156^2 + 10225^2 .

It is a cyclic number.

It is not a de Polignac number, because 434190961 - 2¹ = 434190959 is a prime.

It is a super-2 number, since 2×434190961² = 377043581228207042, which contains 22 as substring.

Together with 434190959, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 434190961.

It is not a weakly prime, because it can be changed into another prime (434190901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217095480 + 217095481.

It is an arithmetic number, because the mean of its divisors is an integer number (217095481).

Almost surely, 2^434190961 is an apocalyptic number.

It is an amenable number.

434190961 is a deficient number, since it is larger than the sum of its proper divisors (1).

434190961 is an equidigital number, since it uses as much as digits as its factorization.

434190961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 434190961 is about 20837.2493626198. The cubic root of 434190961 is about 757.2284560074.

The spelling of 434190961 in words is "four hundred thirty-four million, one hundred ninety thousand, nine hundred sixty-one".