398037883 has 2 divisors, whose sum is σ = 398037884. Its totient is φ = 398037882.

The previous prime is 398037853. The next prime is 398037901. The reversal of 398037883 is 388730893.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 398037883 - 2¹³ = 398029691 is a prime.

It is not a weakly prime, because it can be changed into another prime (398037853) 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, 199018941 + 199018942.

It is an arithmetic number, because the mean of its divisors is an integer number (199018942).

Almost surely, 2^398037883 is an apocalyptic number.

398037883 is a deficient number, since it is larger than the sum of its proper divisors (1).

398037883 is an equidigital number, since it uses as much as digits as its factorization.

398037883 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 398037883 is about 19950.8867722716. The cubic root of 398037883 is about 735.5995743196.

The spelling of 398037883 in words is "three hundred ninety-eight million, thirty-seven thousand, eight hundred eighty-three".