9979948 has 12 divisors (see below), whose sum is σ = 19052712. Its totient is φ = 4536320.

The previous prime is 9979943. The next prime is 9979961. The reversal of 9979948 is 8499799.

It is not an unprimeable number, because it can be changed into a prime (9979943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113365 + ... + 113452.

It is an arithmetic number, because the mean of its divisors is an integer number (1587726).

Almost surely, 2^9979948 is an apocalyptic number.

It is an amenable number.

9979948 is a deficient number, since it is larger than the sum of its proper divisors (9072764).

9979948 is a wasteful number, since it uses less digits than its factorization.

9979948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226832 (or 226830 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 55.

The square root of 9979948 is about 3159.1055696194. The cubic root of 9979948 is about 215.2993702299.

The spelling of 9979948 in words is "nine million, nine hundred seventy-nine thousand, nine hundred forty-eight".