394212 has 72 divisors (see below), whose sum is σ = 1194816. Its totient is φ = 98496.

The previous prime is 394211. The next prime is 394223. The reversal of 394212 is 212493.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (394211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20739 + ... + 20757.

2³⁹⁴²¹² 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 394212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597408).

394212 is an abundant number, since it is smaller than the sum of its proper divisors (800604).

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

394212 is a wasteful number, since it uses less digits than its factorization.

394212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 44 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 394212 is about 627.8630423906. The cubic root of 394212 is about 73.3235156738.

It can be divided in two parts, 394 and 212, that added together give a palindrome (606).

The spelling of 394212 in words is "three hundred ninety-four thousand, two hundred twelve".