434543649 has 8 divisors (see below), whose sum is σ = 582741312. Its totient is φ = 288020880.

The previous prime is 434543633. The next prime is 434543653. The reversal of 434543649 is 946345434.

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

It is not a de Polignac number, because 434543649 - 2⁴ = 434543633 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 434543649.

It is not an unprimeable number, because it can be changed into a prime (434543609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418117 + ... + 419154.

It is an arithmetic number, because the mean of its divisors is an integer number (72842664).

Almost surely, 2^434543649 is an apocalyptic number.

It is an amenable number.

434543649 is a deficient number, since it is larger than the sum of its proper divisors (148197663).

434543649 is a wasteful number, since it uses less digits than its factorization.

434543649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837447.

The product of its digits is 622080, while the sum is 42.

The square root of 434543649 is about 20845.7105659654. The cubic root of 434543649 is about 757.4334296518.

The spelling of 434543649 in words is "four hundred thirty-four million, five hundred forty-three thousand, six hundred forty-nine".