393542196 has 12 divisors (see below), whose sum is σ = 918265152. Its totient is φ = 131180728.

The previous prime is 393542183. The next prime is 393542263. The reversal of 393542196 is 691245393.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16397580 + ... + 16397603.

It is an arithmetic number, because the mean of its divisors is an integer number (76522096).

Almost surely, 2^393542196 is an apocalyptic number.

It is an amenable number.

393542196 is an abundant number, since it is smaller than the sum of its proper divisors (524722956).

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

393542196 is a wasteful number, since it uses less digits than its factorization.

393542196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32795190 (or 32795188 counting only the distinct ones).

The product of its digits is 174960, while the sum is 42.

The square root of 393542196 is about 19837.8979733237. The cubic root of 393542196 is about 732.8196423618.

The spelling of 393542196 in words is "three hundred ninety-three million, five hundred forty-two thousand, one hundred ninety-six".