434622564 has 48 divisors (see below), whose sum is σ = 1131359040. Its totient is φ = 144288000.

The previous prime is 434622547. The next prime is 434622569. The reversal of 434622564 is 465226434.

434622564 is a `hidden beast` number, since 4 + 34 + 62 + 2 + 564 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (434622569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19092 + ... + 35124.

It is an arithmetic number, because the mean of its divisors is an integer number (23569980).

Almost surely, 2^434622564 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 434622564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565679520).

434622564 is an abundant number, since it is smaller than the sum of its proper divisors (696736476).

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

434622564 is a wasteful number, since it uses less digits than its factorization.

434622564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16297 (or 16289 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 434622564 is about 20847.6033154893. The cubic root of 434622564 is about 757.4792779352.

Adding to 434622564 its reverse (465226434), we get a palindrome (899848998).

The spelling of 434622564 in words is "four hundred thirty-four million, six hundred twenty-two thousand, five hundred sixty-four".