398583079 has 2 divisors, whose sum is σ = 398583080. Its totient is φ = 398583078.

The previous prime is 398583049. The next prime is 398583103. The reversal of 398583079 is 970385893.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 398583079 - 2⁹ = 398582567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398583019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199291539 + 199291540.

It is an arithmetic number, because the mean of its divisors is an integer number (199291540).

Almost surely, 2^398583079 is an apocalyptic number.

398583079 is a deficient number, since it is larger than the sum of its proper divisors (1).

398583079 is an equidigital number, since it uses as much as digits as its factorization.

398583079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 398583079 is about 19964.5455495486. The cubic root of 398583079 is about 735.9352735051.

The spelling of 398583079 in words is "three hundred ninety-eight million, five hundred eighty-three thousand, seventy-nine".