394772 has 24 divisors (see below), whose sum is σ = 825216. Its totient is φ = 161568.

The previous prime is 394759. The next prime is 394787. The reversal of 394772 is 277493.

It is a happy number.

394772 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 3⁶ + 9³ + 7² + 4⁹ + 7² + 2¹⁷ .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 394772.

It is an unprimeable number.

394772 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338 + ... + 950.

It is an arithmetic number, because the mean of its divisors is an integer number (34384).

2³⁹⁴⁷⁷² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412608).

394772 is an abundant number, since it is smaller than the sum of its proper divisors (430444).

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

394772 is a wasteful number, since it uses less digits than its factorization.

394772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 645 counting only the distinct ones).

The product of its digits is 10584, while the sum is 32.

The square root of 394772 is about 628.3088412556. The cubic root of 394772 is about 73.3582192858.

The spelling of 394772 in words is "three hundred ninety-four thousand, seven hundred seventy-two".