434643 has 8 divisors (see below), whose sum is σ = 632256. Its totient is φ = 263400.

The previous prime is 434611. The next prime is 434647. The reversal of 434643 is 346434.

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

It is not a de Polignac number, because 434643 - 2⁵ = 434611 is a prime.

It is an Ulam 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 7 ways as a sum of consecutive naturals, for example, 6553 + ... + 6618.

It is an arithmetic number, because the mean of its divisors is an integer number (79032).

2⁴³⁴⁶⁴³ is an apocalyptic number.

434643 is a deficient number, since it is larger than the sum of its proper divisors (197613).

434643 is a wasteful number, since it uses less digits than its factorization.

434643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13185.

The product of its digits is 3456, while the sum is 24.

The square root of 434643 is about 659.2746013612. The cubic root of 434643 is about 75.7491150002.

Subtracting from 434643 its reverse (346434), we obtain a square (88209 = 297²).

The spelling of 434643 in words is "four hundred thirty-four thousand, six hundred forty-three".