863720412 has 24 divisors (see below), whose sum is σ = 2018620800. Its totient is φ = 287439216.

The previous prime is 863720401. The next prime is 863720423. The reversal of 863720412 is 214027368.

It is an interprime number because it is at equal distance from previous prime (863720401) and next prime (863720423).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50712 + ... + 65567.

It is an arithmetic number, because the mean of its divisors is an integer number (84109200).

Almost surely, 2^863720412 is an apocalyptic number.

It is an amenable number.

863720412 is an abundant number, since it is smaller than the sum of its proper divisors (1154900388).

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

863720412 is a wasteful number, since it uses less digits than its factorization.

863720412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116905 (or 116903 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 863720412 is about 29389.1206401280. The cubic root of 863720412 is about 952.3378843831.

The spelling of 863720412 in words is "eight hundred sixty-three million, seven hundred twenty thousand, four hundred twelve".