434780 has 12 divisors (see below), whose sum is σ = 913080. Its totient is φ = 173904.

The previous prime is 434761. The next prime is 434783. The reversal of 434780 is 87434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434783) by changing a digit.

434780 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 3 ways as a sum of consecutive naturals, for example, 10850 + ... + 10889.

It is an arithmetic number, because the mean of its divisors is an integer number (76090).

2⁴³⁴⁷⁸⁰ is an apocalyptic number.

It is an amenable number.

434780 is an abundant number, since it is smaller than the sum of its proper divisors (478300).

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

434780 is a wasteful number, since it uses less digits than its factorization.

434780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21748 (or 21746 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 434780 is about 659.3784952514. The cubic root of 434780 is about 75.7570729017.

The spelling of 434780 in words is "four hundred thirty-four thousand, seven hundred eighty".