320386 has 8 divisors (see below), whose sum is σ = 524304. Its totient is φ = 145620.

The previous prime is 320377. The next prime is 320387. The reversal of 320386 is 683023.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 14563 = 320386 / (3 + 2 + 0 + 3 + 8 + 6).

It is not an unprimeable number, because it can be changed into a prime (320387) 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, 7260 + ... + 7303.

It is an arithmetic number, because the mean of its divisors is an integer number (65538).

2³²⁰³⁸⁶ is an apocalyptic number.

320386 is a deficient number, since it is larger than the sum of its proper divisors (203918).

320386 is a wasteful number, since it uses less digits than its factorization.

320386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14576.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 320386 is about 566.0265011464. The cubic root of 320386 is about 68.4265289295.

The spelling of 320386 in words is "three hundred twenty thousand, three hundred eighty-six".