434566642 has 4 divisors (see below), whose sum is σ = 651849966. Its totient is φ = 217283320.

The previous prime is 434566637. The next prime is 434566679. The reversal of 434566642 is 246665434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246665434 = 2 ⋅123332717.

It can be written as a sum of positive squares in only one way, i.e., 309372921 + 125193721 = 17589^2 + 11189^2 .

It is a junction number, because it is equal to n+sod(n) for n = 434566595 and 434566604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108641659 + ... + 108641662.

Almost surely, 2^434566642 is an apocalyptic number.

434566642 is a deficient number, since it is larger than the sum of its proper divisors (217283324).

434566642 is a wasteful number, since it uses less digits than its factorization.

434566642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217283323.

The product of its digits is 414720, while the sum is 40.

The square root of 434566642 is about 20846.2620630174. The cubic root of 434566642 is about 757.4467887699.

The spelling of 434566642 in words is "four hundred thirty-four million, five hundred sixty-six thousand, six hundred forty-two".