3216461 has 4 divisors (see below), whose sum is σ = 3223872. Its totient is φ = 3209052.

The previous prime is 3216457. The next prime is 3216487. The reversal of 3216461 is 1646123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3216461 - 2² = 3216457 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 (3216431) 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, 3011 + ... + 3936.

It is an arithmetic number, because the mean of its divisors is an integer number (805968).

Almost surely, 2^3216461 is an apocalyptic number.

It is an amenable number.

3216461 is a deficient number, since it is larger than the sum of its proper divisors (7411).

3216461 is an equidigital number, since it uses as much as digits as its factorization.

3216461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7410.

The product of its digits is 864, while the sum is 23.

The square root of 3216461 is about 1793.4494695976. The cubic root of 3216461 is about 147.6135064253.

The spelling of 3216461 in words is "three million, two hundred sixteen thousand, four hundred sixty-one".