434731649 has 8 divisors (see below), whose sum is σ = 474768000. Its totient is φ = 394781200.

The previous prime is 434731639. The next prime is 434731669. The reversal of 434731649 is 946137434.

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

It is a de Polignac number, because none of the positive numbers 2^k-434731649 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 (434731639) 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, 10649 + ... + 31350.

It is an arithmetic number, because the mean of its divisors is an integer number (59346000).

Almost surely, 2^434731649 is an apocalyptic number.

It is an amenable number.

434731649 is a deficient number, since it is larger than the sum of its proper divisors (40036351).

434731649 is a wasteful number, since it uses less digits than its factorization.

434731649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42951.

The product of its digits is 217728, while the sum is 41.

The square root of 434731649 is about 20850.2193993253. The cubic root of 434731649 is about 757.5426453425.

The spelling of 434731649 in words is "four hundred thirty-four million, seven hundred thirty-one thousand, six hundred forty-nine".