398503160 has 64 divisors (see below), whose sum is σ = 988333920. Its totient is φ = 143400960.

The previous prime is 398503159. The next prime is 398503163. The reversal of 398503160 is 61305893.

It is a self number, because there is not a number n which added to its sum of digits gives 398503160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398503163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38012 + ... + 47348.

Almost surely, 2^398503160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398503160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494166960).

398503160 is an abundant number, since it is smaller than the sum of its proper divisors (589830760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

398503160 is a wasteful number, since it uses less digits than its factorization.

398503160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9456 (or 9452 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 398503160 is about 19962.5439260631. The cubic root of 398503160 is about 735.8860833064.

The spelling of 398503160 in words is "three hundred ninety-eight million, five hundred three thousand, one hundred sixty".