3122397 has 6 divisors (see below), whose sum is σ = 4510142. Its totient is φ = 2081592.

The previous prime is 3122381. The next prime is 3122419. The reversal of 3122397 is 7932213.

It can be written as a sum of positive squares in only one way, i.e., 2595321 + 527076 = 1611^2 + 726^2 .

It is not a de Polignac number, because 3122397 - 2⁴ = 3122381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3122397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 173458 + ... + 173475.

Almost surely, 2^3122397 is an apocalyptic number.

It is an amenable number.

3122397 is a deficient number, since it is larger than the sum of its proper divisors (1387745).

3122397 is a wasteful number, since it uses less digits than its factorization.

3122397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346939 (or 346936 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 3122397 is about 1767.0305600074. The cubic root of 3122397 is about 146.1602824710.

The spelling of 3122397 in words is "three million, one hundred twenty-two thousand, three hundred ninety-seven".