9770401 has 2 divisors, whose sum is σ = 9770402. Its totient is φ = 9770400.

The previous prime is 9770333. The next prime is 9770441. The reversal of 9770401 is 1040779.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9759376 + 11025 = 3124^2 + 105^2 .

It is an emirp because it is prime and its reverse (1040779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9770401 - 2⁷ = 9770273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9770401.

It is not a weakly prime, because it can be changed into another prime (9770441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4885200 + 4885201.

It is an arithmetic number, because the mean of its divisors is an integer number (4885201).

Almost surely, 2^9770401 is an apocalyptic number.

It is an amenable number.

9770401 is a deficient number, since it is larger than the sum of its proper divisors (1).

9770401 is an equidigital number, since it uses as much as digits as its factorization.

9770401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 9770401 is about 3125.7640665924. The cubic root of 9770401 is about 213.7818328615.

The spelling of 9770401 in words is "nine million, seven hundred seventy thousand, four hundred one".