984669401 has 2 divisors, whose sum is σ = 984669402. Its totient is φ = 984669400.

The previous prime is 984669383. The next prime is 984669487. The reversal of 984669401 is 104966489.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 579653776 + 405015625 = 24076^2 + 20125^2 .

It is a cyclic number.

It is not a de Polignac number, because 984669401 - 2¹⁸ = 984407257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (984669001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492334700 + 492334701.

It is an arithmetic number, because the mean of its divisors is an integer number (492334701).

Almost surely, 2^984669401 is an apocalyptic number.

It is an amenable number.

984669401 is a deficient number, since it is larger than the sum of its proper divisors (1).

984669401 is an equidigital number, since it uses as much as digits as its factorization.

984669401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 984669401 is about 31379.4423309274. The cubic root of 984669401 is about 994.8634614796.

The spelling of 984669401 in words is "nine hundred eighty-four million, six hundred sixty-nine thousand, four hundred one".