463855988 has 12 divisors (see below), whose sum is σ = 815294340. Its totient is φ = 230914752.

The previous prime is 463855981. The next prime is 463856009. The reversal of 463855988 is 889558364.

It can be written as a sum of positive squares in 2 ways, for example, as 361684324 + 102171664 = 19018^2 + 10108^2 .

It is a super-2 number, since 2×463855988² = 430324755206912288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463855981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252281 + ... + 254112.

It is an arithmetic number, because the mean of its divisors is an integer number (67941195).

Almost surely, 2^463855988 is an apocalyptic number.

It is an amenable number.

463855988 is a deficient number, since it is larger than the sum of its proper divisors (351438352).

463855988 is a wasteful number, since it uses less digits than its factorization.

463855988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506626 (or 506624 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 56.

The square root of 463855988 is about 21537.3161744912. The cubic root of 463855988 is about 774.0952260610.

The spelling of 463855988 in words is "four hundred sixty-three million, eight hundred fifty-five thousand, nine hundred eighty-eight".