3891068 has 24 divisors (see below), whose sum is σ = 7124544. Its totient is φ = 1857600.

The previous prime is 3891061. The next prime is 3891077. The reversal of 3891068 is 8601983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3891061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8813 + ... + 9243.

It is an arithmetic number, because the mean of its divisors is an integer number (296856).

Almost surely, 2^3891068 is an apocalyptic number.

It is an amenable number.

3891068 is a deficient number, since it is larger than the sum of its proper divisors (3233476).

3891068 is a wasteful number, since it uses less digits than its factorization.

3891068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 3891068 is about 1972.5790224982. The cubic root of 3891068 is about 157.2858330385.

Subtracting 3891068 from its reverse (8601983), we obtain a triangular number (4710915 = T₃₀₆₉).

The spelling of 3891068 in words is "three million, eight hundred ninety-one thousand, sixty-eight".