398546383 has 2 divisors, whose sum is σ = 398546384. Its totient is φ = 398546382.

The previous prime is 398546371. The next prime is 398546387. The reversal of 398546383 is 383645893.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-398546383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398546387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199273191 + 199273192.

It is an arithmetic number, because the mean of its divisors is an integer number (199273192).

Almost surely, 2^398546383 is an apocalyptic number.

398546383 is a deficient number, since it is larger than the sum of its proper divisors (1).

398546383 is an equidigital number, since it uses as much as digits as its factorization.

398546383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 49.

The square root of 398546383 is about 19963.6264992110. The cubic root of 398546383 is about 735.9126879087.

The spelling of 398546383 in words is "three hundred ninety-eight million, five hundred forty-six thousand, three hundred eighty-three".