3216463 has 4 divisors (see below), whose sum is σ = 3238200. Its totient is φ = 3194728.

The previous prime is 3216457. The next prime is 3216487. The reversal of 3216463 is 3646123.

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

It is a cyclic number.

It is not a de Polignac number, because 3216463 - 2⁵ = 3216431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3216403) 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, 10645 + ... + 10942.

It is an arithmetic number, because the mean of its divisors is an integer number (809550).

Almost surely, 2^3216463 is an apocalyptic number.

3216463 is a deficient number, since it is larger than the sum of its proper divisors (21737).

3216463 is a wasteful number, since it uses less digits than its factorization.

3216463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21736.

The product of its digits is 2592, while the sum is 25.

The square root of 3216463 is about 1793.4500271822. The cubic root of 3216463 is about 147.6135370207.

The spelling of 3216463 in words is "three million, two hundred sixteen thousand, four hundred sixty-three".