434644 has 36 divisors (see below), whose sum is σ = 938784. Its totient is φ = 172368.

The previous prime is 434611. The next prime is 434647. The reversal of 434644 is 446434.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10087 + ... + 10129.

2⁴³⁴⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469392).

434644 is an abundant number, since it is smaller than the sum of its proper divisors (504140).

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

434644 is a wasteful number, since it uses less digits than its factorization.

434644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 71 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 434644 is about 659.2753597701. The cubic root of 434644 is about 75.7491730931.

The spelling of 434644 in words is "four hundred thirty-four thousand, six hundred forty-four".