3126397 has 2 divisors, whose sum is σ = 3126398. Its totient is φ = 3126396.

The previous prime is 3126379. The next prime is 3126427. The reversal of 3126397 is 7936213.

Together with previous prime (3126379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2452356 + 674041 = 1566^2 + 821^2 .

It is a cyclic number.

It is not a de Polignac number, because 3126397 - 2⁷ = 3126269 is a prime.

It is a super-4 number, since 4×3126397⁴ (a number of 27 digits) contains 4444 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3126307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1563198 + 1563199.

It is an arithmetic number, because the mean of its divisors is an integer number (1563199).

Almost surely, 2^3126397 is an apocalyptic number.

It is an amenable number.

3126397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3126397 is an equidigital number, since it uses as much as digits as its factorization.

3126397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 31.

The square root of 3126397 is about 1768.1620400857. The cubic root of 3126397 is about 146.2226695466. Note that the first 3 decimals are identical.

The spelling of 3126397 in words is "three million, one hundred twenty-six thousand, three hundred ninety-seven".