9400397 has 2 divisors, whose sum is σ = 9400398. Its totient is φ = 9400396.

The previous prime is 9400393. The next prime is 9400463. The reversal of 9400397 is 7930049.

It is a happy number.

9400397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6120676 + 3279721 = 2474^2 + 1811^2 .

It is a cyclic number.

It is not a de Polignac number, because 9400397 - 2² = 9400393 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 (9400393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4700198 + 4700199.

It is an arithmetic number, because the mean of its divisors is an integer number (4700199).

Almost surely, 2^9400397 is an apocalyptic number.

It is an amenable number.

9400397 is a deficient number, since it is larger than the sum of its proper divisors (1).

9400397 is an equidigital number, since it uses as much as digits as its factorization.

9400397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 9400397 is about 3066.0066862288. The cubic root of 9400397 is about 211.0484005077.

The spelling of 9400397 in words is "nine million, four hundred thousand, three hundred ninety-seven".