3219663 has 4 divisors (see below), whose sum is σ = 4292888. Its totient is φ = 2146440.

The previous prime is 3219659. The next prime is 3219707. The reversal of 3219663 is 3669123.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3219663 - 2² = 3219659 is a prime.

It is a D-number.

It is a Duffinian number.

3219663 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3219663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3219863) 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, 536608 + ... + 536613.

It is an arithmetic number, because the mean of its divisors is an integer number (1073222).

Almost surely, 2^3219663 is an apocalyptic number.

3219663 is a deficient number, since it is larger than the sum of its proper divisors (1073225).

3219663 is a wasteful number, since it uses less digits than its factorization.

3219663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073224.

The product of its digits is 5832, while the sum is 30.

The square root of 3219663 is about 1794.3419406568. The cubic root of 3219663 is about 147.6624734618.

The spelling of 3219663 in words is "three million, two hundred nineteen thousand, six hundred sixty-three".