434690231 has 2 divisors, whose sum is σ = 434690232. Its totient is φ = 434690230.

The previous prime is 434690219. The next prime is 434690237. The reversal of 434690231 is 132096434.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434690231 is a prime.

It is a super-2 number, since 2×434690231² = 377911193853666722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434690237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217345115 + 217345116.

It is an arithmetic number, because the mean of its divisors is an integer number (217345116).

Almost surely, 2^434690231 is an apocalyptic number.

434690231 is a deficient number, since it is larger than the sum of its proper divisors (1).

434690231 is an equidigital number, since it uses as much as digits as its factorization.

434690231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 434690231 is about 20849.2261487087. The cubic root of 434690231 is about 757.5185869010.

The spelling of 434690231 in words is "four hundred thirty-four million, six hundred ninety thousand, two hundred thirty-one".