9971948 has 12 divisors (see below), whose sum is σ = 19943952. Its totient is φ = 4273680.

The previous prime is 9971921. The next prime is 9971957. The reversal of 9971948 is 8491799.

9971948 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178043 + ... + 178098.

It is an arithmetic number, because the mean of its divisors is an integer number (1661996).

Almost surely, 2^9971948 is an apocalyptic number.

It is an amenable number.

9971948 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9971948 is a wasteful number, since it uses less digits than its factorization.

9971948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356152 (or 356150 counting only the distinct ones).

The product of its digits is 163296, while the sum is 47.

The square root of 9971948 is about 3157.8391345982. The cubic root of 9971948 is about 215.2418263297.

The spelling of 9971948 in words is "nine million, nine hundred seventy-one thousand, nine hundred forty-eight".