434889331 has 2 divisors, whose sum is σ = 434889332. Its totient is φ = 434889330.

The previous prime is 434889311. The next prime is 434889353. The reversal of 434889331 is 133988434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 434889331 - 2⁹ = 434888819 is a prime.

It is a super-2 number, since 2×434889331² = 378257460435255122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (434889311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217444665 + 217444666.

It is an arithmetic number, because the mean of its divisors is an integer number (217444666).

Almost surely, 2^434889331 is an apocalyptic number.

434889331 is a deficient number, since it is larger than the sum of its proper divisors (1).

434889331 is an equidigital number, since it uses as much as digits as its factorization.

434889331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 43.

The square root of 434889331 is about 20854.0003596432. Note that the first 3 decimals coincide. The cubic root of 434889331 is about 757.6342239830.

The spelling of 434889331 in words is "four hundred thirty-four million, eight hundred eighty-nine thousand, three hundred thirty-one".