434438506 has 8 divisors (see below), whose sum is σ = 651760164. Its totient is φ = 217185120.

The previous prime is 434438483. The next prime is 434438507. The reversal of 434438506 is 605834434.

It can be written as a sum of positive squares in 2 ways, for example, as 375778225 + 58660281 = 19385^2 + 7659^2 .

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

It is not an unprimeable number, because it can be changed into a prime (434438507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4086 + ... + 29758.

Almost surely, 2^434438506 is an apocalyptic number.

434438506 is a deficient number, since it is larger than the sum of its proper divisors (217321658).

434438506 is a wasteful number, since it uses less digits than its factorization.

434438506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34136.

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 434438506 is about 20843.1884796928. The cubic root of 434438506 is about 757.3723347175.

The spelling of 434438506 in words is "four hundred thirty-four million, four hundred thirty-eight thousand, five hundred six".