434342838 has 16 divisors (see below), whose sum is σ = 868902336. Its totient is φ = 144744840.

The previous prime is 434342819. The next prime is 434342903. The reversal of 434342838 is 838243434.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 434342796 and 434342805.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30045 + ... + 42087.

It is an arithmetic number, because the mean of its divisors is an integer number (54306396).

Almost surely, 2^434342838 is an apocalyptic number.

434342838 is an abundant number, since it is smaller than the sum of its proper divisors (434559498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

434342838 is a wasteful number, since it uses less digits than its factorization.

434342838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18059.

The product of its digits is 221184, while the sum is 39.

The square root of 434342838 is about 20840.8934069536. The cubic root of 434342838 is about 757.3167368099.

The spelling of 434342838 in words is "four hundred thirty-four million, three hundred forty-two thousand, eight hundred thirty-eight".