3216697 has 4 divisors (see below), whose sum is σ = 3509136. Its totient is φ = 2924260.

The previous prime is 3216691. The next prime is 3216751. The reversal of 3216697 is 7966123.

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 3216697 - 2⁷ = 3216569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3216691) 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, 146203 + ... + 146224.

It is an arithmetic number, because the mean of its divisors is an integer number (877284).

Almost surely, 2^3216697 is an apocalyptic number.

It is an amenable number.

3216697 is a deficient number, since it is larger than the sum of its proper divisors (292439).

3216697 is a wasteful number, since it uses less digits than its factorization.

3216697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292438.

The product of its digits is 13608, while the sum is 34.

The square root of 3216697 is about 1793.5152633864. The cubic root of 3216697 is about 147.6171165976.

The spelling of 3216697 in words is "three million, two hundred sixteen thousand, six hundred ninety-seven".