394002 has 48 divisors (see below), whose sum is σ = 1010880. Its totient is φ = 108576.

The previous prime is 393997. The next prime is 394007. The reversal of 394002 is 200493.

It is an interprime number because it is at equal distance from previous prime (393997) and next prime (394007).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (394007) by changing a digit.

394002 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 23 ways as a sum of consecutive naturals, for example, 6649 + ... + 6707.

It is an arithmetic number, because the mean of its divisors is an integer number (21060).

2³⁹⁴⁰⁰² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505440).

394002 is an abundant number, since it is smaller than the sum of its proper divisors (616878).

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

394002 is a wasteful number, since it uses less digits than its factorization.

394002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 394002 is about 627.6957861895. The cubic root of 394002 is about 73.3104933463.

Adding to 394002 its reverse (200493), we get a palindrome (594495).

The spelling of 394002 in words is "three hundred ninety-four thousand, two".