386446 has 16 divisors (see below), whose sum is σ = 626688. Its totient is φ = 178200.

The previous prime is 386437. The next prime is 386471. The reversal of 386446 is 644683.

It is a super-3 number, since 3×386446³ = 173136129244333608, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1291 + ... + 1561.

It is an arithmetic number, because the mean of its divisors is an integer number (39168).

2³⁸⁶⁴⁴⁶ is an apocalyptic number.

386446 is a deficient number, since it is larger than the sum of its proper divisors (240242).

386446 is a wasteful number, since it uses less digits than its factorization.

386446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327.

The product of its digits is 13824, while the sum is 31.

The square root of 386446 is about 621.6478102592. The cubic root of 386446 is about 72.8388262481.

The spelling of 386446 in words is "three hundred eighty-six thousand, four hundred forty-six".