2026397 has 2 divisors, whose sum is σ = 2026398. Its totient is φ = 2026396.

The previous prime is 2026393. The next prime is 2026447. The reversal of 2026397 is 7936202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1038361 + 988036 = 1019^2 + 994^2 .

It is a cyclic number.

It is not a de Polignac number, because 2026397 - 2² = 2026393 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2026391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013198 + 1013199.

It is an arithmetic number, because the mean of its divisors is an integer number (1013199).

2^2026397 is an apocalyptic number.

It is an amenable number.

2026397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2026397 is an equidigital number, since it uses as much as digits as its factorization.

2026397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 2026397 is about 1423.5157182132. The cubic root of 2026397 is about 126.5439863282.

The spelling of 2026397 in words is "two million, twenty-six thousand, three hundred ninety-seven".