2340397 has 2 divisors, whose sum is σ = 2340398. Its totient is φ = 2340396.

The previous prime is 2340383. The next prime is 2340419. The reversal of 2340397 is 7930432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2268036 + 72361 = 1506^2 + 269^2 .

It is a cyclic number.

It is not a de Polignac number, because 2340397 - 2⁷ = 2340269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2340337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170198 + 1170199.

It is an arithmetic number, because the mean of its divisors is an integer number (1170199).

2^2340397 is an apocalyptic number.

It is an amenable number.

2340397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340397 is an equidigital number, since it uses as much as digits as its factorization.

2340397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 2340397 is about 1529.8356120839. The cubic root of 2340397 is about 132.7689470203.

The spelling of 2340397 in words is "two million, three hundred forty thousand, three hundred ninety-seven".