434728865 has 8 divisors (see below), whose sum is σ = 544356288. Its totient is φ = 332662000.

The previous prime is 434728859. The next prime is 434728867. The reversal of 434728865 is 568827434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 434728865 - 2¹⁰ = 434727841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (434728867) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1890011 + ... + 1890240.

It is an arithmetic number, because the mean of its divisors is an integer number (68044536).

Almost surely, 2^434728865 is an apocalyptic number.

It is an amenable number.

434728865 is a deficient number, since it is larger than the sum of its proper divisors (109627423).

434728865 is a wasteful number, since it uses less digits than its factorization.

434728865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780279.

The product of its digits is 1290240, while the sum is 47.

The square root of 434728865 is about 20850.1526373310. The cubic root of 434728865 is about 757.5410282504.

The spelling of 434728865 in words is "four hundred thirty-four million, seven hundred twenty-eight thousand, eight hundred sixty-five".