398379043 has 2 divisors, whose sum is σ = 398379044. Its totient is φ = 398379042.

The previous prime is 398379017. The next prime is 398379049. The reversal of 398379043 is 340973893.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-398379043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 398378984 and 398379002.

It is not a weakly prime, because it can be changed into another prime (398379049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199189521 + 199189522.

It is an arithmetic number, because the mean of its divisors is an integer number (199189522).

Almost surely, 2^398379043 is an apocalyptic number.

398379043 is a deficient number, since it is larger than the sum of its proper divisors (1).

398379043 is an equidigital number, since it uses as much as digits as its factorization.

398379043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 398379043 is about 19959.4349368914. The cubic root of 398379043 is about 735.8096761690.

The spelling of 398379043 in words is "three hundred ninety-eight million, three hundred seventy-nine thousand, forty-three".