434129 has 4 divisors (see below), whose sum is σ = 459684. Its totient is φ = 408576.

The previous prime is 434117. The next prime is 434141. The reversal of 434129 is 921434.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (434117) and next prime (434141).

It can be written as a sum of positive squares in 2 ways, for example, as 384400 + 49729 = 620^2 + 223^2 .

It is a cyclic number.

It is not a de Polignac number, because 434129 - 2⁴ = 434113 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12752 + ... + 12785.

It is an arithmetic number, because the mean of its divisors is an integer number (114921).

2⁴³⁴¹²⁹ is an apocalyptic number.

It is an amenable number.

434129 is a deficient number, since it is larger than the sum of its proper divisors (25555).

434129 is a wasteful number, since it uses less digits than its factorization.

434129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25554.

The product of its digits is 864, while the sum is 23.

The square root of 434129 is about 658.8846636552. The cubic root of 434129 is about 75.7192434327.

The spelling of 434129 in words is "four hundred thirty-four thousand, one hundred twenty-nine".