427412434 has 4 divisors (see below), whose sum is σ = 641118654. Its totient is φ = 213706216.

The previous prime is 427412393. The next prime is 427412437. The reversal of 427412434 is 434214724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 295736809 + 131675625 = 17197^2 + 11475^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 427412396 and 427412405.

It is not an unprimeable number, because it can be changed into a prime (427412437) 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 as a sum of consecutive naturals, namely, 106853107 + ... + 106853110.

Almost surely, 2^427412434 is an apocalyptic number.

427412434 is a deficient number, since it is larger than the sum of its proper divisors (213706220).

427412434 is a wasteful number, since it uses less digits than its factorization.

427412434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213706219.

The product of its digits is 21504, while the sum is 31.

The square root of 427412434 is about 20673.9554512435. The cubic root of 427412434 is about 753.2671890046.

The spelling of 427412434 in words is "four hundred twenty-seven million, four hundred twelve thousand, four hundred thirty-four".