863475434 has 4 divisors (see below), whose sum is σ = 1295213154. Its totient is φ = 431737716.

The previous prime is 863475433. The next prime is 863475449. The reversal of 863475434 is 434574368.

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., 852815209 + 10660225 = 29203^2 + 3265^2 .

It is not an unprimeable number, because it can be changed into a prime (863475433) by changing a digit.

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, 215868857 + ... + 215868860.

Almost surely, 2^863475434 is an apocalyptic number.

863475434 is a deficient number, since it is larger than the sum of its proper divisors (431737720).

863475434 is a wasteful number, since it uses less digits than its factorization.

863475434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431737719.

The product of its digits is 967680, while the sum is 44.

The square root of 863475434 is about 29384.9525097455. The cubic root of 863475434 is about 952.2478383112.

The spelling of 863475434 in words is "eight hundred sixty-three million, four hundred seventy-five thousand, four hundred thirty-four".