434387 has 2 divisors, whose sum is σ = 434388. Its totient is φ = 434386.

The previous prime is 434383. The next prime is 434389. The reversal of 434387 is 783434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434387 - 2² = 434383 is a prime.

Together with 434389, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (434383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217193 + 217194.

It is an arithmetic number, because the mean of its divisors is an integer number (217194).

2⁴³⁴³⁸⁷ is an apocalyptic number.

434387 is a deficient number, since it is larger than the sum of its proper divisors (1).

434387 is an equidigital number, since it uses as much as digits as its factorization.

434387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 29.

The square root of 434387 is about 659.0804199792. The cubic root of 434387 is about 75.7342402778.

The spelling of 434387 in words is "four hundred thirty-four thousand, three hundred eighty-seven".