394646 has 12 divisors (see below), whose sum is σ = 688788. Its totient is φ = 169092.

The previous prime is 394643. The next prime is 394673. The reversal of 394646 is 646493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1916 + ... + 2111.

It is an arithmetic number, because the mean of its divisors is an integer number (57399).

2³⁹⁴⁶⁴⁶ is an apocalyptic number.

394646 is a deficient number, since it is larger than the sum of its proper divisors (294142).

394646 is a wasteful number, since it uses less digits than its factorization.

394646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4043 (or 4036 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 394646 is about 628.2085640932. The cubic root of 394646 is about 73.3504138359.

It can be divided in two parts, 3 and 94646, that added together give a palindrome (94649).

The spelling of 394646 in words is "three hundred ninety-four thousand, six hundred forty-six".