3997948 has 12 divisors (see below), whose sum is σ = 7062552. Its totient is φ = 1980080.

The previous prime is 3997933. The next prime is 3997963. The reversal of 3997948 is 8497993.

3997948 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3997933) and next prime (3997963).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4243 + ... + 5098.

It is an arithmetic number, because the mean of its divisors is an integer number (588546).

Almost surely, 2^3997948 is an apocalyptic number.

It is an amenable number.

3997948 is a deficient number, since it is larger than the sum of its proper divisors (3064604).

3997948 is a wasteful number, since it uses less digits than its factorization.

3997948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9452 (or 9450 counting only the distinct ones).

The product of its digits is 489888, while the sum is 49.

The square root of 3997948 is about 1999.4869341909. The cubic root of 3997948 is about 158.7129559958.

The spelling of 3997948 in words is "three million, nine hundred ninety-seven thousand, nine hundred forty-eight".