434728864 has 24 divisors (see below), whose sum is σ = 859218948. Its totient is φ = 216514560.

The previous prime is 434728859. The next prime is 434728867. The reversal of 434728864 is 468827434.

It can be written as a sum of positive squares in 2 ways, for example, as 364504464 + 70224400 = 19092^2 + 8380^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18207 + ... + 34654.

Almost surely, 2^434728864 is an apocalyptic number.

It is an amenable number.

434728864 is a deficient number, since it is larger than the sum of its proper divisors (424490084).

434728864 is a wasteful number, since it uses less digits than its factorization.

434728864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53128 (or 53120 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 46.

The square root of 434728864 is about 20850.1526133503. The cubic root of 434728864 is about 757.5410276696.

The spelling of 434728864 in words is "four hundred thirty-four million, seven hundred twenty-eight thousand, eight hundred sixty-four".