9964444 has 18 divisors (see below), whose sum is σ = 20285160. Its totient is φ = 4270392.

The previous prime is 9964439. The next prime is 9964463. The reversal of 9964444 is 4444699.

It is a happy number.

9964444 is a modest number, since divided by 4444 gives 996 as remainder.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 9964397 and 9964406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25224 + ... + 25615.

Almost surely, 2^9964444 is an apocalyptic number.

It is an amenable number.

9964444 is an abundant number, since it is smaller than the sum of its proper divisors (10320716).

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

9964444 is a wasteful number, since it uses less digits than its factorization.

9964444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50857 (or 50848 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 9964444 is about 3156.6507567357. The cubic root of 9964444 is about 215.1878221713.

The spelling of 9964444 in words is "nine million, nine hundred sixty-four thousand, four hundred forty-four".