9404257 has 2 divisors, whose sum is σ = 9404258. Its totient is φ = 9404256.

The previous prime is 9404243. The next prime is 9404261. The reversal of 9404257 is 7524049.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7096896 + 2307361 = 2664^2 + 1519^2 .

It is a cyclic number.

It is not a de Polignac number, because 9404257 - 2¹⁵ = 9371489 is a prime.

It is not a weakly prime, because it can be changed into another prime (9404237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4702128 + 4702129.

It is an arithmetic number, because the mean of its divisors is an integer number (4702129).

Almost surely, 2^9404257 is an apocalyptic number.

It is an amenable number.

9404257 is a deficient number, since it is larger than the sum of its proper divisors (1).

9404257 is an equidigital number, since it uses as much as digits as its factorization.

9404257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 9404257 is about 3066.6361049202. The cubic root of 9404257 is about 211.0772835201.

The spelling of 9404257 in words is "nine million, four hundred four thousand, two hundred fifty-seven".