3117397 has 12 divisors (see below), whose sum is σ = 3344544. Its totient is φ = 2904440.

The previous prime is 3117299. The next prime is 3117421. The reversal of 3117397 is 7937113.

It is not a de Polignac number, because 3117397 - 2⁷ = 3117269 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 (3117097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37518 + ... + 37600.

It is an arithmetic number, because the mean of its divisors is an integer number (278712).

Almost surely, 2^3117397 is an apocalyptic number.

It is an amenable number.

3117397 is a deficient number, since it is larger than the sum of its proper divisors (227147).

3117397 is an equidigital number, since it uses as much as digits as its factorization.

3117397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 177 counting only the distinct ones).

The product of its digits is 3969, while the sum is 31.

The square root of 3117397 is about 1765.6151902382. The cubic root of 3117397 is about 146.0822236543.

The spelling of 3117397 in words is "three million, one hundred seventeen thousand, three hundred ninety-seven".