398600068 has 12 divisors (see below), whose sum is σ = 710711820. Its totient is φ = 195539552.

The previous prime is 398600053. The next prime is 398600087. The reversal of 398600068 is 860006893.

It can be written as a sum of positive squares in 2 ways, for example, as 246866944 + 151733124 = 15712^2 + 12318^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 398600068.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 939883 + ... + 940306.

It is an arithmetic number, because the mean of its divisors is an integer number (59225985).

Almost surely, 2^398600068 is an apocalyptic number.

It is an amenable number.

398600068 is a deficient number, since it is larger than the sum of its proper divisors (312111752).

398600068 is a wasteful number, since it uses less digits than its factorization.

398600068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880246 (or 1880244 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 398600068 is about 19964.9710242715. The cubic root of 398600068 is about 735.9457293986.

The spelling of 398600068 in words is "three hundred ninety-eight million, six hundred thousand, sixty-eight".