430949 has 2 divisors, whose sum is σ = 430950. Its totient is φ = 430948.
The previous prime is 430921. The next prime is 430957. The reversal of 430949 is 949034.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 368449 + 62500 = 607^2 + 250^2 .
It is a cyclic number.
It is not a de Polignac number, because 430949 - 216 = 365413 is a prime.
It is a Sophie Germain prime.
It is an alternating number because its digits alternate between even and odd.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (430909) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215474 + 215475.
It is an arithmetic number, because the mean of its divisors is an integer number (215475).
2430949 is an apocalyptic number.
It is an amenable number.
430949 is a deficient number, since it is larger than the sum of its proper divisors (1).
430949 is an equidigital number, since it uses as much as digits as its factorization.
430949 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3888, while the sum is 29.
The square root of 430949 is about 656.4670593411. The cubic root of 430949 is about 75.5339087193.
The spelling of 430949 in words is "four hundred thirty thousand, nine hundred forty-nine".
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