394472 has 16 divisors (see below), whose sum is σ = 796740. Its totient is φ = 182016.

The previous prime is 394453. The next prime is 394481. The reversal of 394472 is 274493.

It can be written as a sum of positive squares in 2 ways, for example, as 343396 + 51076 = 586^2 + 226^2 .

It is a congruent number.

It is an unprimeable number.

394472 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 3 ways as a sum of consecutive naturals, for example, 1793 + ... + 2000.

2³⁹⁴⁴⁷² is an apocalyptic number.

It is an amenable number.

394472 is an abundant number, since it is smaller than the sum of its proper divisors (402268).

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

394472 is a wasteful number, since it uses less digits than its factorization.

394472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812 (or 3808 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 394472 is about 628.0700597863. The cubic root of 394472 is about 73.3396321495.

The spelling of 394472 in words is "three hundred ninety-four thousand, four hundred seventy-two".