863405412 has 12 divisors (see below), whose sum is σ = 2014612656. Its totient is φ = 287801800.

The previous prime is 863405381. The next prime is 863405443. The reversal of 863405412 is 214504368.

863405412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (863405381) and next prime (863405443).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35975214 + ... + 35975237.

It is an arithmetic number, because the mean of its divisors is an integer number (167884388).

Almost surely, 2^863405412 is an apocalyptic number.

It is an amenable number.

863405412 is an abundant number, since it is smaller than the sum of its proper divisors (1151207244).

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

863405412 is a wasteful number, since it uses less digits than its factorization.

863405412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71950458 (or 71950456 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 863405412 is about 29383.7610254372. The cubic root of 863405412 is about 952.2220973354. Note that the first 3 decimals are identical.

The spelling of 863405412 in words is "eight hundred sixty-three million, four hundred five thousand, four hundred twelve".