434857 has 2 divisors, whose sum is σ = 434858. Its totient is φ = 434856.

The previous prime is 434849. The next prime is 434867. The reversal of 434857 is 758434.

434857 is nontrivially palindromic in base 8.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 434281 + 576 = 659^2 + 24^2 .

It is a cyclic number.

It is not a de Polignac number, because 434857 - 2³ = 434849 is a prime.

It is a super-2 number, since 2×434857² = 378201220898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (434807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217428 + 217429.

It is an arithmetic number, because the mean of its divisors is an integer number (217429).

2⁴³⁴⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

434857 is a deficient number, since it is larger than the sum of its proper divisors (1).

434857 is an equidigital number, since it uses as much as digits as its factorization.

434857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 31.

The square root of 434857 is about 659.4368809826. The cubic root of 434857 is about 75.7615448571.

It can be divided in two parts, 43 and 4857, that added together give a square (4900 = 70²).

The spelling of 434857 in words is "four hundred thirty-four thousand, eight hundred fifty-seven".