3216961 has 8 divisors (see below), whose sum is σ = 3716064. Its totient is φ = 2752320.

The previous prime is 3216949. The next prime is 3216977. The reversal of 3216961 is 1696123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3216961 - 2⁹ = 3216449 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (3216911) 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, 8415 + ... + 8788.

It is an arithmetic number, because the mean of its divisors is an integer number (464508).

Almost surely, 2^3216961 is an apocalyptic number.

It is an amenable number.

3216961 is a deficient number, since it is larger than the sum of its proper divisors (499103).

3216961 is a wasteful number, since it uses less digits than its factorization.

3216961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17231.

The product of its digits is 1944, while the sum is 28.

The square root of 3216961 is about 1793.5888603579. The cubic root of 3216961 is about 147.6211548863.

The spelling of 3216961 in words is "three million, two hundred sixteen thousand, nine hundred sixty-one".