398482308 has 192 divisors, whose sum is σ = 1247232000. Its totient is φ = 109861920.

The previous prime is 398482297. The next prime is 398482319. The reversal of 398482308 is 803284893.

It is an interprime number because it is at equal distance from previous prime (398482297) and next prime (398482319).

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 63 ways as a sum of consecutive naturals, for example, 1148191 + ... + 1148537.

It is an arithmetic number, because the mean of its divisors is an integer number (6496000).

Almost surely, 2^398482308 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 398482308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623616000).

398482308 is an abundant number, since it is smaller than the sum of its proper divisors (848749692).

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

398482308 is a wasteful number, since it uses less digits than its factorization.

398482308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 398482308 is about 19962.0216411064. The cubic root of 398482308 is about 735.8732478045.

The spelling of 398482308 in words is "three hundred ninety-eight million, four hundred eighty-two thousand, three hundred eight".