398773311 has 16 divisors (see below), whose sum is σ = 565977600. Its totient is φ = 249023808.

The previous prime is 398773303. The next prime is 398773321. The reversal of 398773311 is 113377893.

It is not a de Polignac number, because 398773311 - 2³ = 398773303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398773321) 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 in 15 ways as a sum of consecutive naturals, for example, 34231 + ... + 44376.

It is an arithmetic number, because the mean of its divisors is an integer number (35373600).

Almost surely, 2^398773311 is an apocalyptic number.

398773311 is a deficient number, since it is larger than the sum of its proper divisors (167204289).

398773311 is a wasteful number, since it uses less digits than its factorization.

398773311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78718.

The product of its digits is 95256, while the sum is 42.

The square root of 398773311 is about 19969.3092269112. The cubic root of 398773311 is about 736.0523349826.

The spelling of 398773311 in words is "three hundred ninety-eight million, seven hundred seventy-three thousand, three hundred eleven".