463522986 has 56 divisors (see below), whose sum is σ = 1103829444. Its totient is φ = 145411200.

The previous prime is 463522981. The next prime is 463522987. The reversal of 463522986 is 689225364.

463522986 is a `hidden beast` number, since 4 + 6 + 352 + 298 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 463067361 + 455625 = 21519^2 + 675^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (463522981) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 15436 + ... + 34136.

Almost surely, 2^463522986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 463522986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (551914722).

463522986 is an abundant number, since it is smaller than the sum of its proper divisors (640306458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

463522986 is a wasteful number, since it uses less digits than its factorization.

463522986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18738 (or 18723 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 463522986 is about 21529.5839718282. The cubic root of 463522986 is about 773.9099408466.

The spelling of 463522986 in words is "four hundred sixty-three million, five hundred twenty-two thousand, nine hundred eighty-six".