398060093 has 2 divisors, whose sum is σ = 398060094. Its totient is φ = 398060092.

The previous prime is 398060071. The next prime is 398060111. The reversal of 398060093 is 390060893.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 379587289 + 18472804 = 19483^2 + 4298^2 .

It is a cyclic number.

It is not a de Polignac number, because 398060093 - 2⁶ = 398060029 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398060053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199030046 + 199030047.

It is an arithmetic number, because the mean of its divisors is an integer number (199030047).

Almost surely, 2^398060093 is an apocalyptic number.

It is an amenable number.

398060093 is a deficient number, since it is larger than the sum of its proper divisors (1).

398060093 is an equidigital number, since it uses as much as digits as its factorization.

398060093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 398060093 is about 19951.4433813697. The cubic root of 398060093 is about 735.6132559007.

The spelling of 398060093 in words is "three hundred ninety-eight million, sixty thousand, ninety-three".