434906039 has 4 divisors (see below), whose sum is σ = 438330624. Its totient is φ = 431481456.

The previous prime is 434906009. The next prime is 434906071. The reversal of 434906039 is 930609434.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434906039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 434905993 and 434906011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434906009) 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 3 ways as a sum of consecutive naturals, for example, 1712102 + ... + 1712355.

It is an arithmetic number, because the mean of its divisors is an integer number (109582656).

Almost surely, 2^434906039 is an apocalyptic number.

434906039 is a deficient number, since it is larger than the sum of its proper divisors (3424585).

434906039 is a wasteful number, since it uses less digits than its factorization.

434906039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424584.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 434906039 is about 20854.4009503989. The cubic root of 434906039 is about 757.6439263675.

The spelling of 434906039 in words is "four hundred thirty-four million, nine hundred six thousand, thirty-nine".