963646368 has 48 divisors (see below), whose sum is σ = 2535714720. Its totient is φ = 320435456.

The previous prime is 963646367. The next prime is 963646373. The reversal of 963646368 is 863646369.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×963646368² = 1857228645119182848, 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 963646368.

It is not an unprimeable number, because it can be changed into a prime (963646361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28246 + ... + 52202.

It is an arithmetic number, because the mean of its divisors is an integer number (52827390).

Almost surely, 2^963646368 is an apocalyptic number.

It is an amenable number.

963646368 is an abundant number, since it is smaller than the sum of its proper divisors (1572068352).

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

963646368 is a wasteful number, since it uses less digits than its factorization.

963646368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24389 (or 24381 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 51.

The square root of 963646368 is about 31042.6540102485. The cubic root of 963646368 is about 987.7322401593.

Subtracting from 963646368 its reverse (863646369), we obtain a palindrome (99999999).

The spelling of 963646368 in words is "nine hundred sixty-three million, six hundred forty-six thousand, three hundred sixty-eight".