3219966 has 16 divisors (see below), whose sum is σ = 7155600. Its totient is φ = 1073304.

The previous prime is 3219959. The next prime is 3219967. The reversal of 3219966 is 6699123.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3219966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3219967) 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, 29761 + ... + 29868.

It is an arithmetic number, because the mean of its divisors is an integer number (447225).

Almost surely, 2^3219966 is an apocalyptic number.

3219966 is an abundant number, since it is smaller than the sum of its proper divisors (3935634).

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

3219966 is a wasteful number, since it uses less digits than its factorization.

3219966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59640 (or 59634 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 3219966 is about 1794.4263707380. The cubic root of 3219966 is about 147.6671054503.

The spelling of 3219966 in words is "three million, two hundred nineteen thousand, nine hundred sixty-six".