463506818 has 4 divisors (see below), whose sum is σ = 695260230. Its totient is φ = 231753408.

The previous prime is 463506817. The next prime is 463506829. The reversal of 463506818 is 818605364.

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., 463239529 + 267289 = 21523^2 + 517^2 .

It is not an unprimeable number, because it can be changed into a prime (463506811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115876703 + ... + 115876706.

Almost surely, 2^463506818 is an apocalyptic number.

463506818 is a deficient number, since it is larger than the sum of its proper divisors (231753412).

463506818 is a wasteful number, since it uses less digits than its factorization.

463506818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231753411.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 463506818 is about 21529.2084852184. The cubic root of 463506818 is about 773.9009425719.

The spelling of 463506818 in words is "four hundred sixty-three million, five hundred six thousand, eight hundred eighteen".