863969352 has 64 divisors (see below), whose sum is σ = 2217447360. Its totient is φ = 280416000.

The previous prime is 863969347. The next prime is 863969357. The reversal of 863969352 is 253969368.

It is an interprime number because it is at equal distance from previous prime (863969347) and next prime (863969357).

It is a junction number, because it is equal to n+sod(n) for n = 863969295 and 863969304.

It is not an unprimeable number, because it can be changed into a prime (863969357) 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, 144943 + ... + 150785.

It is an arithmetic number, because the mean of its divisors is an integer number (34647615).

Almost surely, 2^863969352 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 863969352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1108723680).

863969352 is an abundant number, since it is smaller than the sum of its proper divisors (1353478008).

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

863969352 is a wasteful number, since it uses less digits than its factorization.

863969352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6014 (or 6010 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 51.

The square root of 863969352 is about 29393.3555757079. The cubic root of 863969352 is about 952.4293693192.

The spelling of 863969352 in words is "eight hundred sixty-three million, nine hundred sixty-nine thousand, three hundred fifty-two".