398341039 has 2 divisors, whose sum is σ = 398341040. Its totient is φ = 398341038.

The previous prime is 398341033. The next prime is 398341043. The reversal of 398341039 is 930143893.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 398341039 - 2⁵ = 398341007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 398340992 and 398341010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398341033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199170519 + 199170520.

It is an arithmetic number, because the mean of its divisors is an integer number (199170520).

Almost surely, 2^398341039 is an apocalyptic number.

398341039 is a deficient number, since it is larger than the sum of its proper divisors (1).

398341039 is an equidigital number, since it uses as much as digits as its factorization.

398341039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 398341039 is about 19958.4828832254. The cubic root of 398341039 is about 735.7862775150.

The spelling of 398341039 in words is "three hundred ninety-eight million, three hundred forty-one thousand, thirty-nine".