9955745 has 8 divisors (see below), whose sum is σ = 11975784. Its totient is φ = 7945344.

The previous prime is 9955739. The next prime is 9955783. The reversal of 9955745 is 5475599.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6145441 + 3810304 = 2479^2 + 1952^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9955745 - 2²⁰ = 8907169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9955696 and 9955705.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 107 + ... + 4463.

It is an arithmetic number, because the mean of its divisors is an integer number (1496973).

Almost surely, 2^9955745 is an apocalyptic number.

It is an amenable number.

9955745 is a deficient number, since it is larger than the sum of its proper divisors (2020039).

9955745 is a wasteful number, since it uses less digits than its factorization.

9955745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4819.

The product of its digits is 283500, while the sum is 44.

The square root of 9955745 is about 3155.2725714271. The cubic root of 9955745 is about 215.1251839930.

The spelling of 9955745 in words is "nine million, nine hundred fifty-five thousand, seven hundred forty-five".