398899301 has 2 divisors, whose sum is σ = 398899302. Its totient is φ = 398899300.

The previous prime is 398899279. The next prime is 398899337. The reversal of 398899301 is 103998893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244891201 + 154008100 = 15649^2 + 12410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-398899301 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 398899301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398899381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199449650 + 199449651.

It is an arithmetic number, because the mean of its divisors is an integer number (199449651).

Almost surely, 2^398899301 is an apocalyptic number.

It is an amenable number.

398899301 is a deficient number, since it is larger than the sum of its proper divisors (1).

398899301 is an equidigital number, since it uses as much as digits as its factorization.

398899301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 398899301 is about 19972.4635686237. The cubic root of 398899301 is about 736.1298439052.

The spelling of 398899301 in words is "three hundred ninety-eight million, eight hundred ninety-nine thousand, three hundred one".