398119633 has 2 divisors, whose sum is σ = 398119634. Its totient is φ = 398119632.

The previous prime is 398119621. The next prime is 398119699. The reversal of 398119633 is 336911893.

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., 264647824 + 133471809 = 16268^2 + 11553^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-398119633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 398119633.

It is not a weakly prime, because it can be changed into another prime (398119613) 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, 199059816 + 199059817.

It is an arithmetic number, because the mean of its divisors is an integer number (199059817).

Almost surely, 2^398119633 is an apocalyptic number.

It is an amenable number.

398119633 is a deficient number, since it is larger than the sum of its proper divisors (1).

398119633 is an equidigital number, since it uses as much as digits as its factorization.

398119633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 43.

The square root of 398119633 is about 19952.9354481991. The cubic root of 398119633 is about 735.6499306226.

The spelling of 398119633 in words is "three hundred ninety-eight million, one hundred nineteen thousand, six hundred thirty-three".