9774409 has 2 divisors, whose sum is σ = 9774410. Its totient is φ = 9774408.

The previous prime is 9774397. The next prime is 9774451. The reversal of 9774409 is 9044779.

9774409 is digitally balanced in base 3, 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., 5774409 + 4000000 = 2403^2 + 2000^2 .

It is a cyclic number.

It is not a de Polignac number, because 9774409 - 2⁵ = 9774377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9774469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4887204 + 4887205.

It is an arithmetic number, because the mean of its divisors is an integer number (4887205).

Almost surely, 2^9774409 is an apocalyptic number.

It is an amenable number.

9774409 is a deficient number, since it is larger than the sum of its proper divisors (1).

9774409 is an equidigital number, since it uses as much as digits as its factorization.

9774409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 9774409 is about 3126.4051241002. The cubic root of 9774409 is about 213.8110612916.

The spelling of 9774409 in words is "nine million, seven hundred seventy-four thousand, four hundred nine".