398000741 has 2 divisors, whose sum is σ = 398000742. Its totient is φ = 398000740.

The previous prime is 398000693. The next prime is 398000807. The reversal of 398000741 is 147000893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297700516 + 100300225 = 17254^2 + 10015^2 .

It is a cyclic number.

It is not a de Polignac number, because 398000741 - 2⁶ = 398000677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 398000698 and 398000707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398000641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199000370 + 199000371.

It is an arithmetic number, because the mean of its divisors is an integer number (199000371).

Almost surely, 2^398000741 is an apocalyptic number.

It is an amenable number.

398000741 is a deficient number, since it is larger than the sum of its proper divisors (1).

398000741 is an equidigital number, since it uses as much as digits as its factorization.

398000741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 398000741 is about 19949.9559147383. The cubic root of 398000741 is about 735.5766933407.

The spelling of 398000741 in words is "three hundred ninety-eight million, seven hundred forty-one", and thus it is an aban number.