3971368 has 16 divisors (see below), whose sum is σ = 7469280. Its totient is φ = 1979568.

The previous prime is 3971333. The next prime is 3971377. The reversal of 3971368 is 8631793.

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, 3205 + ... + 4267.

It is an arithmetic number, because the mean of its divisors is an integer number (466830).

Almost surely, 2^3971368 is an apocalyptic number.

It is an amenable number.

3971368 is a deficient number, since it is larger than the sum of its proper divisors (3497912).

3971368 is a wasteful number, since it uses less digits than its factorization.

3971368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536 (or 1532 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 3971368 is about 1992.8291447086. The cubic root of 3971368 is about 158.3604439881.

The spelling of 3971368 in words is "three million, nine hundred seventy-one thousand, three hundred sixty-eight".