863820352 has 56 divisors (see below), whose sum is σ = 1769327424. Its totient is φ = 418125312.

The previous prime is 863820343. The next prime is 863820403. The reversal of 863820352 is 253028368.

863820352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536733 + ... + 538339.

Almost surely, 2^863820352 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 863820352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (884663712).

863820352 is an abundant number, since it is smaller than the sum of its proper divisors (905507072).

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

863820352 is a wasteful number, since it uses less digits than its factorization.

863820352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883 (or 1873 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 863820352 is about 29390.8208799958. The cubic root of 863820352 is about 952.3746142385.

The spelling of 863820352 in words is "eight hundred sixty-three million, eight hundred twenty thousand, three hundred fifty-two".