3213808 has 20 divisors (see below), whose sum is σ = 6706168. Its totient is φ = 1483200.

The previous prime is 3213803. The next prime is 3213811. The reversal of 3213808 is 8083123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7518 + ... + 7933.

Almost surely, 2^3213808 is an apocalyptic number.

It is an amenable number.

3213808 is an abundant number, since it is smaller than the sum of its proper divisors (3492360).

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

3213808 is a wasteful number, since it uses less digits than its factorization.

3213808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15472 (or 15466 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 3213808 is about 1792.7096809021. The cubic root of 3213808 is about 147.5729104252.

The spelling of 3213808 in words is "three million, two hundred thirteen thousand, eight hundred eight".