398029 has 2 divisors, whose sum is σ = 398030. Its totient is φ = 398028.

The previous prime is 398023. The next prime is 398033. The reversal of 398029 is 920893.

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., 393129 + 4900 = 627^2 + 70^2 .

It is a cyclic number.

It is not a de Polignac number, because 398029 - 2⁹ = 397517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199014 + 199015.

It is an arithmetic number, because the mean of its divisors is an integer number (199015).

2³⁹⁸⁰²⁹ is an apocalyptic number.

It is an amenable number.

398029 is a deficient number, since it is larger than the sum of its proper divisors (1).

398029 is an equidigital number, since it uses as much as digits as its factorization.

398029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 398029 is about 630.8953954500. The cubic root of 398029 is about 73.5594102161.

The spelling of 398029 in words is "three hundred ninety-eight thousand, twenty-nine".