434556 has 18 divisors (see below), whose sum is σ = 1098552. Its totient is φ = 144840.

The previous prime is 434521. The next prime is 434561. The reversal of 434556 is 655434.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 434556.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6000 + ... + 6071.

2⁴³⁴⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

434556 is an abundant number, since it is smaller than the sum of its proper divisors (663996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

434556 is a wasteful number, since it uses less digits than its factorization.

434556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12081 (or 12076 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 434556 is about 659.2086164485. The cubic root of 434556 is about 75.7440605741.

It can be divided in two parts, 434 and 556, that added together give a triangular number (990 = T₄₄).

The spelling of 434556 in words is "four hundred thirty-four thousand, five hundred fifty-six".