434243220 has 96 divisors (see below), whose sum is σ = 1273466880. Its totient is φ = 110352000.

The previous prime is 434243207. The next prime is 434243237. The reversal of 434243220 is 22342434.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 577845 + ... + 578595.

It is an arithmetic number, because the mean of its divisors is an integer number (13265280).

Almost surely, 2^434243220 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 434243220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636733440).

434243220 is an abundant number, since it is smaller than the sum of its proper divisors (839223660).

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

434243220 is a wasteful number, since it uses less digits than its factorization.

434243220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 434243220 is about 20838.5033051801. The cubic root of 434243220 is about 757.2588346640.

Adding to 434243220 its reverse (22342434), we get a palindrome (456585654).

The spelling of 434243220 in words is "four hundred thirty-four million, two hundred forty-three thousand, two hundred twenty".