634400482 has 4 divisors (see below), whose sum is σ = 951600726. Its totient is φ = 317200240.

The previous prime is 634400477. The next prime is 634400489. The reversal of 634400482 is 284004436.

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., 612018121 + 22382361 = 24739^2 + 4731^2 .

It is not an unprimeable number, because it can be changed into a prime (634400489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158600119 + ... + 158600122.

Almost surely, 2^634400482 is an apocalyptic number.

634400482 is a deficient number, since it is larger than the sum of its proper divisors (317200244).

634400482 is a wasteful number, since it uses less digits than its factorization.

634400482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317200243.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 634400482 is about 25187.3079546028. The cubic root of 634400482 is about 859.2532195779.

The spelling of 634400482 in words is "six hundred thirty-four million, four hundred thousand, four hundred eighty-two".