393086 has 4 divisors (see below), whose sum is σ = 589632. Its totient is φ = 196542.

The previous prime is 393083. The next prime is 393097. The reversal of 393086 is 680393.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98270 + ... + 98273.

It is an arithmetic number, because the mean of its divisors is an integer number (147408).

2³⁹³⁰⁸⁶ is an apocalyptic number.

393086 is a deficient number, since it is larger than the sum of its proper divisors (196546).

393086 is a wasteful number, since it uses less digits than its factorization.

393086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196545.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 393086 is about 626.9657087912. The cubic root of 393086 is about 73.2536370196.

It can be divided in two parts, 39 and 3086, that added together give a 5-th power (3125 = 5⁵).

The spelling of 393086 in words is "three hundred ninety-three thousand, eighty-six".