434740 has 12 divisors (see below), whose sum is σ = 912996. Its totient is φ = 173888.

The previous prime is 434719. The next prime is 434743. The reversal of 434740 is 47434.

It can be written as a sum of positive squares in 2 ways, for example, as 79524 + 355216 = 282^2 + 596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10849 + ... + 10888.

It is an arithmetic number, because the mean of its divisors is an integer number (76083).

2⁴³⁴⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

434740 is an abundant number, since it is smaller than the sum of its proper divisors (478256).

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

434740 is a wasteful number, since it uses less digits than its factorization.

434740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21746 (or 21744 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 434740 is about 659.3481629610. The cubic root of 434740 is about 75.7547495996.

The spelling of 434740 in words is "four hundred thirty-four thousand, seven hundred forty".