398032328 has 16 divisors (see below), whose sum is σ = 746736000. Its totient is φ = 198902736.

The previous prime is 398032321. The next prime is 398032361. The reversal of 398032328 is 823230893.

It is a junction number, because it is equal to n+sod(n) for n = 398032291 and 398032300.

It is not an unprimeable number, because it can be changed into a prime (398032321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1793 + ... + 28271.

It is an arithmetic number, because the mean of its divisors is an integer number (46671000).

Almost surely, 2^398032328 is an apocalyptic number.

It is an amenable number.

398032328 is a deficient number, since it is larger than the sum of its proper divisors (348703672).

398032328 is a wasteful number, since it uses less digits than its factorization.

398032328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28364 (or 28360 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 398032328 is about 19950.7475549163. The cubic root of 398032328 is about 735.5961523047.

The spelling of 398032328 in words is "three hundred ninety-eight million, thirty-two thousand, three hundred twenty-eight".