9999948 has 24 divisors (see below), whose sum is σ = 26666752. Its totient is φ = 2857104.

The previous prime is 9999943. The next prime is 9999971. The reversal of 9999948 is 8499999.

It is not an unprimeable number, because it can be changed into a prime (9999943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59440 + ... + 59607.

Almost surely, 2^9999948 is an apocalyptic number.

It is an amenable number.

9999948 is an abundant number, since it is smaller than the sum of its proper divisors (16666804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9999948 is a wasteful number, since it uses less digits than its factorization.

9999948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119061 (or 119059 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 57.

The square root of 9999948 is about 3162.2694382358. The cubic root of 9999948 is about 215.4430955672.

The spelling of 9999948 in words is "nine million, nine hundred ninety-nine thousand, nine hundred forty-eight".