3217957 has 4 divisors (see below), whose sum is σ = 3221856. Its totient is φ = 3214060.

The previous prime is 3217939. The next prime is 3217969. The reversal of 3217957 is 7597123.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7597123 = 61 ⋅124543.

It is a cyclic number.

It is not a de Polignac number, because 3217957 - 2⁷ = 3217829 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 (3217937) 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, 169 + ... + 2542.

It is an arithmetic number, because the mean of its divisors is an integer number (805464).

Almost surely, 2^3217957 is an apocalyptic number.

It is an amenable number.

3217957 is a deficient number, since it is larger than the sum of its proper divisors (3899).

3217957 is a wasteful number, since it uses less digits than its factorization.

3217957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898.

The product of its digits is 13230, while the sum is 34.

The square root of 3217957 is about 1793.8664944750. The cubic root of 3217957 is about 147.6363882591.

The spelling of 3217957 in words is "three million, two hundred seventeen thousand, nine hundred fifty-seven".