398755148 has 12 divisors (see below), whose sum is σ = 761259912. Its totient is φ = 181252320.

The previous prime is 398755129. The next prime is 398755151. The reversal of 398755148 is 841557893.

It is a junction number, because it is equal to n+sod(n) for n = 398755096 and 398755105.

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, 4531265 + ... + 4531352.

It is an arithmetic number, because the mean of its divisors is an integer number (63438326).

Almost surely, 2^398755148 is an apocalyptic number.

It is an amenable number.

398755148 is a deficient number, since it is larger than the sum of its proper divisors (362504764).

398755148 is a wasteful number, since it uses less digits than its factorization.

398755148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9062632 (or 9062630 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 50.

The square root of 398755148 is about 19968.8544488661. The cubic root of 398755148 is about 736.0411597768.

The spelling of 398755148 in words is "three hundred ninety-eight million, seven hundred fifty-five thousand, one hundred forty-eight".