9948945 has 8 divisors (see below), whose sum is σ = 15918336. Its totient is φ = 5306096.

The previous prime is 9948941. The next prime is 9948947. The reversal of 9948945 is 5498499.

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 9948945 - 2² = 9948941 is a prime.

It is a super-2 number, since 2×9948945² = 197963013226050, which contains 22 as substring.

9948945 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9948894 and 9948903.

It is not an unprimeable number, because it can be changed into a prime (9948941) 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 7 ways as a sum of consecutive naturals, for example, 331617 + ... + 331646.

It is an arithmetic number, because the mean of its divisors is an integer number (1989792).

Almost surely, 2^9948945 is an apocalyptic number.

It is an amenable number.

9948945 is a deficient number, since it is larger than the sum of its proper divisors (5969391).

9948945 is a wasteful number, since it uses less digits than its factorization.

9948945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663271.

The product of its digits is 466560, while the sum is 48.

The square root of 9948945 is about 3154.1948259421. The cubic root of 9948945 is about 215.0761943750.

The spelling of 9948945 in words is "nine million, nine hundred forty-eight thousand, nine hundred forty-five".