398043383 has 2 divisors, whose sum is σ = 398043384. Its totient is φ = 398043382.

The previous prime is 398043367. The next prime is 398043403. The reversal of 398043383 is 383340893.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 398043383 - 2⁴ = 398043367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 398043383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398043983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199021691 + 199021692.

It is an arithmetic number, because the mean of its divisors is an integer number (199021692).

Almost surely, 2^398043383 is an apocalyptic number.

398043383 is a deficient number, since it is larger than the sum of its proper divisors (1).

398043383 is an equidigital number, since it uses as much as digits as its factorization.

398043383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 398043383 is about 19951.0246102800. The cubic root of 398043383 is about 735.6029624217.

The spelling of 398043383 in words is "three hundred ninety-eight million, forty-three thousand, three hundred eighty-three".