394072 has 32 divisors (see below), whose sum is σ = 875520. Its totient is φ = 162720.

The previous prime is 394063. The next prime is 394073. The reversal of 394072 is 270493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394073) 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 7 ways as a sum of consecutive naturals, for example, 1623 + ... + 1849.

It is an arithmetic number, because the mean of its divisors is an integer number (27360).

2³⁹⁴⁰⁷² 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 394072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437760).

394072 is an abundant number, since it is smaller than the sum of its proper divisors (481448).

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

394072 is a wasteful number, since it uses less digits than its factorization.

394072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 394072 is about 627.7515432080. The cubic root of 394072 is about 73.3148346361.

The spelling of 394072 in words is "three hundred ninety-four thousand, seventy-two".