9953955 has 32 divisors (see below), whose sum is σ = 19307520. Its totient is φ = 4825440.

The previous prime is 9953953. The next prime is 9954001. The reversal of 9953955 is 5593599.

It is not a de Polignac number, because 9953955 - 2¹ = 9953953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 9953955.

It is not an unprimeable number, because it can be changed into a prime (9953953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1867 + ... + 4836.

It is an arithmetic number, because the mean of its divisors is an integer number (603360).

Almost surely, 2^9953955 is an apocalyptic number.

9953955 is a deficient number, since it is larger than the sum of its proper divisors (9353565).

9953955 is a wasteful number, since it uses less digits than its factorization.

9953955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6728 (or 6722 counting only the distinct ones).

The product of its digits is 273375, while the sum is 45.

The square root of 9953955 is about 3154.9889064781. The cubic root of 9953955 is about 215.1122903602.

It can be divided in two parts, 995 and 3955, that added together give a triangular number (4950 = T₉₉).

The spelling of 9953955 in words is "nine million, nine hundred fifty-three thousand, nine hundred fifty-five".