398828358 has 48 divisors (see below), whose sum is σ = 897436800. Its totient is φ = 127854720.

The previous prime is 398828351. The next prime is 398828389. The reversal of 398828358 is 853828893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398828351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145323 + ... + 148041.

It is an arithmetic number, because the mean of its divisors is an integer number (18696600).

Almost surely, 2^398828358 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398828358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448718400).

398828358 is an abundant number, since it is smaller than the sum of its proper divisors (498608442).

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

398828358 is a wasteful number, since it uses less digits than its factorization.

398828358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037 (or 3034 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 398828358 is about 19970.6874693887. The cubic root of 398828358 is about 736.0862018501.

The spelling of 398828358 in words is "three hundred ninety-eight million, eight hundred twenty-eight thousand, three hundred fifty-eight".