434534220 has 120 divisors (see below), whose sum is σ = 1368846864. Its totient is φ = 115392384.

The previous prime is 434534209. The next prime is 434534249. The reversal of 434534220 is 22435434.

434534220 is a `hidden beast` number, since 434 + 5 + 3 + 4 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 561754 + ... + 562526.

Almost surely, 2^434534220 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 434534220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (684423432).

434534220 is an abundant number, since it is smaller than the sum of its proper divisors (934312644).

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

434534220 is a wasteful number, since it uses less digits than its factorization.

434534220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 434534220 is about 20845.4844031027. The cubic root of 434534220 is about 757.4279511907.

Adding to 434534220 its reverse (22435434), we get a palindrome (456969654).

The spelling of 434534220 in words is "four hundred thirty-four million, five hundred thirty-four thousand, two hundred twenty".