394452 has 18 divisors (see below), whose sum is σ = 997178. Its totient is φ = 131472.

The previous prime is 394411. The next prime is 394453. The reversal of 394452 is 254493.

It can be written as a sum of positive squares in only one way, i.e., 352836 + 41616 = 594^2 + 204^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394453) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5443 + ... + 5514.

2³⁹⁴⁴⁵² is an apocalyptic number.

It is an amenable number.

394452 is an abundant number, since it is smaller than the sum of its proper divisors (602726).

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

394452 is a wasteful number, since it uses less digits than its factorization.

394452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10967 (or 10962 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 394452 is about 628.0541377939. The cubic root of 394452 is about 73.3383926721.

The spelling of 394452 in words is "three hundred ninety-four thousand, four hundred fifty-two".