863510412 has 48 divisors (see below), whose sum is σ = 2038249472. Its totient is φ = 284515200.

The previous prime is 863510411. The next prime is 863510513. The reversal of 863510412 is 214015368.

It is a self number, because there is not a number n which added to its sum of digits gives 863510412.

It is not an unprimeable number, because it can be changed into a prime (863510411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403008 + ... + 405144.

Almost surely, 2^863510412 is an apocalyptic number.

It is an amenable number.

863510412 is an abundant number, since it is smaller than the sum of its proper divisors (1174739060).

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

863510412 is a wasteful number, since it uses less digits than its factorization.

863510412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518 (or 2516 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 863510412 is about 29385.5476722827. The cubic root of 863510412 is about 952.2606961466.

The spelling of 863510412 in words is "eight hundred sixty-three million, five hundred ten thousand, four hundred twelve".