434143757 has 4 divisors (see below), whose sum is σ = 435373980. Its totient is φ = 432913536.

The previous prime is 434143741. The next prime is 434143763. The reversal of 434143757 is 757341434.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 757341434 = 2 ⋅378670717.

It can be written as a sum of positive squares in 2 ways, for example, as 143304841 + 290838916 = 11971^2 + 17054^2 .

It is a cyclic number.

It is not a de Polignac number, because 434143757 - 2⁴ = 434143741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 434143757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434143777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614582 + ... + 615287.

It is an arithmetic number, because the mean of its divisors is an integer number (108843495).

Almost surely, 2^434143757 is an apocalyptic number.

It is an amenable number.

434143757 is a deficient number, since it is larger than the sum of its proper divisors (1230223).

434143757 is a wasteful number, since it uses less digits than its factorization.

434143757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230222.

The product of its digits is 141120, while the sum is 38.

The square root of 434143757 is about 20836.1166487424. The cubic root of 434143757 is about 757.2010137752.

The spelling of 434143757 in words is "four hundred thirty-four million, one hundred forty-three thousand, seven hundred fifty-seven".