3217868 has 12 divisors (see below), whose sum is σ = 5645472. Its totient is φ = 1604880.

The previous prime is 3217849. The next prime is 3217873. The reversal of 3217868 is 8687123.

It is a nialpdrome in base 13.

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, 1421 + ... + 2907.

It is an arithmetic number, because the mean of its divisors is an integer number (470456).

Almost surely, 2^3217868 is an apocalyptic number.

It is an amenable number.

3217868 is a deficient number, since it is larger than the sum of its proper divisors (2427604).

3217868 is a wasteful number, since it uses less digits than its factorization.

3217868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032 (or 2030 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 3217868 is about 1793.8416875522. The cubic root of 3217868 is about 147.6350271719.

It can be divided in two parts, 321 and 7868, that multiplied together give a triangular number (2525628 = T₂₂₄₇).

The spelling of 3217868 in words is "three million, two hundred seventeen thousand, eight hundred sixty-eight".