398170337 has 2 divisors, whose sum is σ = 398170338. Its totient is φ = 398170336.

The previous prime is 398170259. The next prime is 398170373. The reversal of 398170337 is 733071893.

Together with next prime (398170373) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225930961 + 172239376 = 15031^2 + 13124^2 .

It is a cyclic number.

It is not a de Polignac number, because 398170337 - 2¹⁰ = 398169313 is a prime.

It is a super-3 number, since 3×398170337³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 398170294 and 398170303.

It is not a weakly prime, because it can be changed into another prime (398170237) 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, 199085168 + 199085169.

It is an arithmetic number, because the mean of its divisors is an integer number (199085169).

Almost surely, 2^398170337 is an apocalyptic number.

It is an amenable number.

398170337 is a deficient number, since it is larger than the sum of its proper divisors (1).

398170337 is an equidigital number, since it uses as much as digits as its factorization.

398170337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 398170337 is about 19954.2059977339. The cubic root of 398170337 is about 735.6811597705.

The spelling of 398170337 in words is "three hundred ninety-eight million, one hundred seventy thousand, three hundred thirty-seven".