396242 has 32 divisors (see below), whose sum is σ = 774144. Its totient is φ = 147600.

The previous prime is 396239. The next prime is 396247. The reversal of 396242 is 242693.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁵ + 9³ + 2¹¹ + 6 + 4⁹ + 2¹⁷ .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 396242.

It is not an unprimeable number, because it can be changed into a prime (396247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4733 + ... + 4815.

It is an arithmetic number, because the mean of its divisors is an integer number (24192).

2³⁹⁶²⁴² is an apocalyptic number.

396242 is a deficient number, since it is larger than the sum of its proper divisors (377902).

396242 is a wasteful number, since it uses less digits than its factorization.

396242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134.

The product of its digits is 2592, while the sum is 26.

The square root of 396242 is about 629.4775611569. The cubic root of 396242 is about 73.4491603938.

It can be divided in two parts, 3962 and 42, that added together give a palindrome (4004).

The spelling of 396242 in words is "three hundred ninety-six thousand, two hundred forty-two".