434708864 has 64 divisors (see below), whose sum is σ = 887045040. Its totient is φ = 212146176.

The previous prime is 434708863. The next prime is 434708881. The reversal of 434708864 is 468807434.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434708863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1483502 + ... + 1483794.

Almost surely, 2^434708864 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 434708864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443522520).

434708864 is an abundant number, since it is smaller than the sum of its proper divisors (452336176).

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

434708864 is a wasteful number, since it uses less digits than its factorization.

434708864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 44.

The square root of 434708864 is about 20849.6729950376. The cubic root of 434708864 is about 757.5294104263.

The spelling of 434708864 in words is "four hundred thirty-four million, seven hundred eight thousand, eight hundred sixty-four".