398039 has 2 divisors, whose sum is σ = 398040. Its totient is φ = 398038.

The previous prime is 398033. The next prime is 398053. The reversal of 398039 is 930893.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 398039 - 2⁴ = 398023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 397996 and 398014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199019 + 199020.

It is an arithmetic number, because the mean of its divisors is an integer number (199020).

2³⁹⁸⁰³⁹ is an apocalyptic number.

398039 is a deficient number, since it is larger than the sum of its proper divisors (1).

398039 is an equidigital number, since it uses as much as digits as its factorization.

398039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 398039 is about 630.9033206443. The cubic root of 398039 is about 73.5600262415.

The spelling of 398039 in words is "three hundred ninety-eight thousand, thirty-nine".