394356 has 24 divisors (see below), whose sum is σ = 937440. Its totient is φ = 128992.

The previous prime is 394327. The next prime is 394357. The reversal of 394356 is 653493.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394357) by changing a digit.

394356 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430 + ... + 986.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

2³⁹⁴³⁵⁶ is an apocalyptic number.

It is an amenable number.

394356 is an abundant number, since it is smaller than the sum of its proper divisors (543084).

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

394356 is a wasteful number, since it uses less digits than its factorization.

394356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623 (or 621 counting only the distinct ones).

The product of its digits is 9720, while the sum is 30.

The square root of 394356 is about 627.9777066107. The cubic root of 394356 is about 73.3324425971.

The spelling of 394356 in words is "three hundred ninety-four thousand, three hundred fifty-six".