9953444 has 24 divisors (see below), whose sum is σ = 18082680. Its totient is φ = 4790016.

The previous prime is 9953429. The next prime is 9953479. The reversal of 9953444 is 4443599.

It can be written as a sum of positive squares in 4 ways, for example, as 1612900 + 8340544 = 1270^2 + 2888^2 .

It is a super-2 number, since 2×9953444² = 198142094922272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 9953398 and 9953407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15824 + ... + 16440.

It is an arithmetic number, because the mean of its divisors is an integer number (753445).

Almost surely, 2^9953444 is an apocalyptic number.

It is an amenable number.

9953444 is a deficient number, since it is larger than the sum of its proper divisors (8129236).

9953444 is a wasteful number, since it uses less digits than its factorization.

9953444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767 (or 765 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 9953444 is about 3154.9079225866. The cubic root of 9953444 is about 215.1086092685.

The spelling of 9953444 in words is "nine million, nine hundred fifty-three thousand, four hundred forty-four".