394972 has 12 divisors (see below), whose sum is σ = 727720. Its totient is φ = 187056.

The previous prime is 394969. The next prime is 394981. The reversal of 394972 is 279493.

394972 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 3⁸ + 9 + 9⁴ + 4⁹ + 7⁶ + 2¹¹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2523 + ... + 2674.

2³⁹⁴⁹⁷² is an apocalyptic number.

It is an amenable number.

394972 is a deficient number, since it is larger than the sum of its proper divisors (332748).

394972 is a wasteful number, since it uses less digits than its factorization.

394972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220 (or 5218 counting only the distinct ones).

The product of its digits is 13608, while the sum is 34.

The square root of 394972 is about 628.4679785001. The cubic root of 394972 is about 73.3706054791.

The spelling of 394972 in words is "three hundred ninety-four thousand, nine hundred seventy-two".