234464639 has 2 divisors, whose sum is σ = 234464640. Its totient is φ = 234464638.

The previous prime is 234464521. The next prime is 234464647. The reversal of 234464639 is 936464432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234464639 - 2⁸ = 234464383 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 234464596 and 234464605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234464669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117232319 + 117232320.

It is an arithmetic number, because the mean of its divisors is an integer number (117232320).

Almost surely, 2^234464639 is an apocalyptic number.

234464639 is a deficient number, since it is larger than the sum of its proper divisors (1).

234464639 is an equidigital number, since it uses as much as digits as its factorization.

234464639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 41.

The square root of 234464639 is about 15312.2382100071. The cubic root of 234464639 is about 616.6316107984.

The spelling of 234464639 in words is "two hundred thirty-four million, four hundred sixty-four thousand, six hundred thirty-nine".