984975469 has 2 divisors, whose sum is σ = 984975470. Its totient is φ = 984975468.

The previous prime is 984975451. The next prime is 984975491. The reversal of 984975469 is 964579489.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 909806569 + 75168900 = 30163^2 + 8670^2 .

It is a cyclic number.

It is not a de Polignac number, because 984975469 - 2²¹ = 982878317 is a prime.

It is a super-2 number, since 2×984975469² = 1940353349063539922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (984975499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492487734 + 492487735.

It is an arithmetic number, because the mean of its divisors is an integer number (492487735).

Almost surely, 2^984975469 is an apocalyptic number.

It is an amenable number.

984975469 is a deficient number, since it is larger than the sum of its proper divisors (1).

984975469 is an equidigital number, since it uses as much as digits as its factorization.

984975469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 61.

The square root of 984975469 is about 31384.3188391910. The cubic root of 984975469 is about 994.9665296856.

The spelling of 984975469 in words is "nine hundred eighty-four million, nine hundred seventy-five thousand, four hundred sixty-nine".