434303540 has 48 divisors (see below), whose sum is σ = 1000992384. Its totient is φ = 156969600.

The previous prime is 434303497. The next prime is 434303579. The reversal of 434303540 is 45303434.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30830 + ... + 42650.

It is an arithmetic number, because the mean of its divisors is an integer number (20854008).

Almost surely, 2^434303540 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 434303540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (500496192).

434303540 is an abundant number, since it is smaller than the sum of its proper divisors (566688844).

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

434303540 is a wasteful number, since it uses less digits than its factorization.

434303540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12008 (or 12006 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 434303540 is about 20839.9505757571. The cubic root of 434303540 is about 757.2938962270.

Adding to 434303540 its reverse (45303434), we get a palindrome (479606974).

The spelling of 434303540 in words is "four hundred thirty-four million, three hundred three thousand, five hundred forty".