3973868 has 6 divisors (see below), whose sum is σ = 6954276. Its totient is φ = 1986932.

The previous prime is 3973861. The next prime is 3973877. The reversal of 3973868 is 8683793.

It is not an unprimeable number, because it can be changed into a prime (3973861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496730 + ... + 496737.

It is an arithmetic number, because the mean of its divisors is an integer number (1159046).

Almost surely, 2^3973868 is an apocalyptic number.

It is an amenable number.

3973868 is a deficient number, since it is larger than the sum of its proper divisors (2980408).

3973868 is a wasteful number, since it uses less digits than its factorization.

3973868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993471 (or 993469 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 3973868 is about 1993.4562949812. The cubic root of 3973868 is about 158.3936666345.

The spelling of 3973868 in words is "three million, nine hundred seventy-three thousand, eight hundred sixty-eight".