863681232 has 40 divisors (see below), whose sum is σ = 2291483296. Its totient is φ = 280112256.

The previous prime is 863681227. The next prime is 863681237. The reversal of 863681232 is 232186368.

It is an interprime number because it is at equal distance from previous prime (863681227) and next prime (863681237).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863681237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241378 + ... + 244929.

Almost surely, 2^863681232 is an apocalyptic number.

It is an amenable number.

863681232 is an abundant number, since it is smaller than the sum of its proper divisors (1427802064).

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

863681232 is a wasteful number, since it uses less digits than its factorization.

863681232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486355 (or 486349 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 863681232 is about 29388.4540593751. The cubic root of 863681232 is about 952.3234842130.

The spelling of 863681232 in words is "eight hundred sixty-three million, six hundred eighty-one thousand, two hundred thirty-two".