394722 has 12 divisors (see below), whose sum is σ = 855270. Its totient is φ = 131568.

The previous prime is 394721. The next prime is 394727. The reversal of 394722 is 227493.

It can be written as a sum of positive squares in only one way, i.e., 210681 + 184041 = 459^2 + 429^2 .

It is not an unprimeable number, because it can be changed into a prime (394721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10947 + ... + 10982.

2³⁹⁴⁷²² is an apocalyptic number.

394722 is an abundant number, since it is smaller than the sum of its proper divisors (460548).

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

394722 is a wasteful number, since it uses less digits than its factorization.

394722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21937 (or 21934 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 394722 is about 628.2690506463. The cubic root of 394722 is about 73.3551220838.

It can be divided in two parts, 3947 and 22, that added together give a square (3969 = 63²).

The spelling of 394722 in words is "three hundred ninety-four thousand, seven hundred twenty-two".