434018 has 8 divisors (see below), whose sum is σ = 701148. Its totient is φ = 200304.

The previous prime is 434011. The next prime is 434029. The reversal of 434018 is 810434.

It can be written as a sum of positive squares in 2 ways, for example, as 351649 + 82369 = 593^2 + 287^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (434011) by changing a digit.

434018 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8321 + ... + 8372.

2⁴³⁴⁰¹⁸ is an apocalyptic number.

434018 is a deficient number, since it is larger than the sum of its proper divisors (267130).

434018 is a wasteful number, since it uses less digits than its factorization.

434018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16708.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 434018 is about 658.8004250150. The cubic root of 434018 is about 75.7127894736.

The spelling of 434018 in words is "four hundred thirty-four thousand, eighteen".