863574016 has 48 divisors (see below), whose sum is σ = 1817688600. Its totient is φ = 409042944.

The previous prime is 863574001. The next prime is 863574017. The reversal of 863574016 is 610475368.

It is a happy number.

It is a super-2 number, since 2×863574016² = 1491520162220736512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 863574016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863574017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27816 + ... + 50008.

Almost surely, 2^863574016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 863574016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (908844300).

863574016 is an abundant number, since it is smaller than the sum of its proper divisors (954114584).

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

863574016 is a wasteful number, since it uses less digits than its factorization.

863574016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22234 (or 22214 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 863574016 is about 29386.6298850345. The cubic root of 863574016 is about 952.2840759467.

The spelling of 863574016 in words is "eight hundred sixty-three million, five hundred seventy-four thousand, sixteen".