434628 has 18 divisors (see below), whose sum is σ = 1098734. Its totient is φ = 144864.

The previous prime is 434611. The next prime is 434647. The reversal of 434628 is 826434.

434628 is a `hidden beast` number, since 4 + 34 + 628 = 666.

It can be written as a sum of positive squares in only one way, i.e., 248004 + 186624 = 498^2 + 432^2 .

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

It is an unprimeable number.

434628 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6001 + ... + 6072.

2⁴³⁴⁶²⁸ is an apocalyptic number.

It is an amenable number.

434628 is an abundant number, since it is smaller than the sum of its proper divisors (664106).

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

434628 is a wasteful number, since it uses less digits than its factorization.

434628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12083 (or 12078 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 434628 is about 659.2632251233. The cubic root of 434628 is about 75.7482435955.

The spelling of 434628 in words is "four hundred thirty-four thousand, six hundred twenty-eight".