393486 has 8 divisors (see below), whose sum is σ = 786984. Its totient is φ = 131160.

The previous prime is 393479. The next prime is 393487. The reversal of 393486 is 684393.

It is a sphenic number, since it is the product of 3 distinct primes.

393486 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32785 + ... + 32796.

It is an arithmetic number, because the mean of its divisors is an integer number (98373).

2³⁹³⁴⁸⁶ is an apocalyptic number.

393486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

393486 is a wasteful number, since it uses less digits than its factorization.

393486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65586.

The product of its digits is 15552, while the sum is 33.

The square root of 393486 is about 627.2846243931. The cubic root of 393486 is about 73.2784759620.

The spelling of 393486 in words is "three hundred ninety-three thousand, four hundred eighty-six".