434694861 has 12 divisors (see below), whose sum is σ = 637264992. Its totient is φ = 285470856.

The previous prime is 434694859. The next prime is 434694919. The reversal of 434694861 is 168496434.

It is not a de Polignac number, because 434694861 - 2¹ = 434694859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434694761) 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 11 ways as a sum of consecutive naturals, for example, 359841 + ... + 361046.

It is an arithmetic number, because the mean of its divisors is an integer number (53105416).

Almost surely, 2^434694861 is an apocalyptic number.

It is an amenable number.

434694861 is a deficient number, since it is larger than the sum of its proper divisors (202570131).

434694861 is a wasteful number, since it uses less digits than its factorization.

434694861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720960 (or 720957 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 434694861 is about 20849.3371837092. The cubic root of 434694861 is about 757.5212764014.

The spelling of 434694861 in words is "four hundred thirty-four million, six hundred ninety-four thousand, eight hundred sixty-one".