398341033 has 2 divisors, whose sum is σ = 398341034. Its totient is φ = 398341032.

The previous prime is 398341007. The next prime is 398341039. The reversal of 398341033 is 330143893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 382124304 + 16216729 = 19548^2 + 4027^2 .

It is a cyclic number.

It is not a de Polignac number, because 398341033 - 2¹³ = 398332841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 398341033.

It is not a weakly prime, because it can be changed into another prime (398341039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199170516 + 199170517.

It is an arithmetic number, because the mean of its divisors is an integer number (199170517).

Almost surely, 2^398341033 is an apocalyptic number.

It is an amenable number.

398341033 is a deficient number, since it is larger than the sum of its proper divisors (1).

398341033 is an equidigital number, since it uses as much as digits as its factorization.

398341033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 398341033 is about 19958.4827329133. The cubic root of 398341033 is about 735.7862738207.

The spelling of 398341033 in words is "three hundred ninety-eight million, three hundred forty-one thousand, thirty-three".