434730 has 32 divisors (see below), whose sum is σ = 1070784. Its totient is φ = 112896.

The previous prime is 434719. The next prime is 434743. The reversal of 434730 is 37434.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 434697 and 434706.

It is an unprimeable number.

434730 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 15 ways as a sum of consecutive naturals, for example, 1122 + ... + 1458.

It is an arithmetic number, because the mean of its divisors is an integer number (33462).

2⁴³⁴⁷³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535392).

434730 is an abundant number, since it is smaller than the sum of its proper divisors (636054).

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

434730 is a wasteful number, since it uses less digits than its factorization.

434730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 434730 is about 659.3405796703. The cubic root of 434730 is about 75.7541687518.

The spelling of 434730 in words is "four hundred thirty-four thousand, seven hundred thirty".