393814086 has 16 divisors (see below), whose sum is σ = 792183024. Its totient is φ = 130512224.

The previous prime is 393814079. The next prime is 393814087. The reversal of 393814086 is 680418393.

It is a happy number.

It is a super-3 number, since 3×393814086³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393814087) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 188661 + ... + 190736.

It is an arithmetic number, because the mean of its divisors is an integer number (49511439).

Almost surely, 2^393814086 is an apocalyptic number.

393814086 is an abundant number, since it is smaller than the sum of its proper divisors (398368938).

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

393814086 is a wasteful number, since it uses less digits than its factorization.

393814086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379575.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 393814086 is about 19844.7495826982. The cubic root of 393814086 is about 732.9883667216.

The spelling of 393814086 in words is "three hundred ninety-three million, eight hundred fourteen thousand, eighty-six".