963864444 has 12 divisors (see below), whose sum is σ = 2249017064. Its totient is φ = 321288144.

The previous prime is 963864379. The next prime is 963864463. The reversal of 963864444 is 444468369.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 963864393 and 963864402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40161007 + ... + 40161030.

Almost surely, 2^963864444 is an apocalyptic number.

It is an amenable number.

963864444 is an abundant number, since it is smaller than the sum of its proper divisors (1285152620).

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

963864444 is a wasteful number, since it uses less digits than its factorization.

963864444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80322044 (or 80322042 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 48.

The square root of 963864444 is about 31046.1663333816. The cubic root of 963864444 is about 987.8067434407.

The spelling of 963864444 in words is "nine hundred sixty-three million, eight hundred sixty-four thousand, four hundred forty-four".