9774397 has 2 divisors, whose sum is σ = 9774398. Its totient is φ = 9774396.

The previous prime is 9774389. The next prime is 9774409. The reversal of 9774397 is 7934779.

9774397 is digitally balanced in base 2 and base 3, because in such bases 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., 9523396 + 251001 = 3086^2 + 501^2 .

It is an emirp because it is prime and its reverse (7934779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9774397 - 2³ = 9774389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9774307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4887198 + 4887199.

It is an arithmetic number, because the mean of its divisors is an integer number (4887199).

Almost surely, 2^9774397 is an apocalyptic number.

It is an amenable number.

9774397 is a deficient number, since it is larger than the sum of its proper divisors (1).

9774397 is an equidigital number, since it uses as much as digits as its factorization.

9774397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 333396, while the sum is 46.

The square root of 9774397 is about 3126.4032049625. The cubic root of 9774397 is about 213.8109737933.

The spelling of 9774397 in words is "nine million, seven hundred seventy-four thousand, three hundred ninety-seven".