434193561 has 16 divisors (see below), whose sum is σ = 652064320. Its totient is φ = 285495840.

The previous prime is 434193541. The next prime is 434193581. The reversal of 434193561 is 165391434.

434193561 is a `hidden beast` number, since 4 + 3 + 4 + 1 + 93 + 561 = 666.

It is an interprime number because it is at equal distance from previous prime (434193541) and next prime (434193581).

It is not a de Polignac number, because 434193561 - 2¹³ = 434185369 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 (434193511) 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 15 ways as a sum of consecutive naturals, for example, 108175 + ... + 112116.

It is an arithmetic number, because the mean of its divisors is an integer number (40754020).

Almost surely, 2^434193561 is an apocalyptic number.

It is an amenable number.

434193561 is a deficient number, since it is larger than the sum of its proper divisors (217870759).

434193561 is a wasteful number, since it uses less digits than its factorization.

434193561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220373 (or 220367 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 434193561 is about 20837.3117507993. The cubic root of 434193561 is about 757.2299674699.

The spelling of 434193561 in words is "four hundred thirty-four million, one hundred ninety-three thousand, five hundred sixty-one".