3978068 has 24 divisors (see below), whose sum is σ = 7761600. Its totient is φ = 1772928.

The previous prime is 3978053. The next prime is 3978071. The reversal of 3978068 is 8608793.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248 + ... + 2831.

It is an arithmetic number, because the mean of its divisors is an integer number (323400).

Almost surely, 2^3978068 is an apocalyptic number.

3978068 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3978068 is a deficient number, since it is larger than the sum of its proper divisors (3783532).

3978068 is a wasteful number, since it uses less digits than its factorization.

3978068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119 (or 3117 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 3978068 is about 1994.5094635022. The cubic root of 3978068 is about 158.4494493268.

The spelling of 3978068 in words is "three million, nine hundred seventy-eight thousand, sixty-eight".