393360198 has 64 divisors (see below), whose sum is σ = 997539840. Its totient is φ = 100432800.

The previous prime is 393360151. The next prime is 393360293. The reversal of 393360198 is 891063393.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20043 + ... + 34473.

It is an arithmetic number, because the mean of its divisors is an integer number (15586560).

Almost surely, 2^393360198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 393360198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498769920).

393360198 is an abundant number, since it is smaller than the sum of its proper divisors (604179642).

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

393360198 is a wasteful number, since it uses less digits than its factorization.

393360198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14513.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 393360198 is about 19833.3103137121. The cubic root of 393360198 is about 732.7066580570.

The spelling of 393360198 in words is "three hundred ninety-three million, three hundred sixty thousand, one hundred ninety-eight".