9993948 has 24 divisors (see below), whose sum is σ = 23463552. Its totient is φ = 3310704.

The previous prime is 9993941. The next prime is 9993967. The reversal of 9993948 is 8493999.

It is a self number, because there is not a number n which added to its sum of digits gives 9993948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9993941) 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, 490 + ... + 4497.

It is an arithmetic number, because the mean of its divisors is an integer number (977648).

Almost surely, 2^9993948 is an apocalyptic number.

It is an amenable number.

9993948 is an abundant number, since it is smaller than the sum of its proper divisors (13469604).

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

9993948 is a wasteful number, since it uses less digits than its factorization.

9993948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161 (or 5159 counting only the distinct ones).

The product of its digits is 629856, while the sum is 51.

The square root of 9993948 is about 3161.3206101248. The cubic root of 9993948 is about 215.3999981033.

Adding to 9993948 its sum of digits (51), we get a palindrome (9993999).

The spelling of 9993948 in words is "nine million, nine hundred ninety-three thousand, nine hundred forty-eight".