3209868 has 30 divisors (see below), whose sum is σ = 8392076. Its totient is φ = 1069848.

The previous prime is 3209867. The next prime is 3209887. The reversal of 3209868 is 8689023.

3209868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3209867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4630 + ... + 5277.

Almost surely, 2^3209868 is an apocalyptic number.

It is an amenable number.

3209868 is an abundant number, since it is smaller than the sum of its proper divisors (5182208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3209868 is a wasteful number, since it uses less digits than its factorization.

3209868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9923 (or 9912 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 3209868 is about 1791.6104487304. The cubic root of 3209868 is about 147.5125796032.

The spelling of 3209868 in words is "three million, two hundred nine thousand, eight hundred sixty-eight".