396426 has 8 divisors (see below), whose sum is σ = 792864. Its totient is φ = 132140.

The previous prime is 396413. The next prime is 396427. The reversal of 396426 is 624693.

It is a sphenic number, since it is the product of 3 distinct primes.

396426 is an admirable number.

It is a d-powerful number, because it can be written as 3¹⁰ + 9⁴ + 4⁶ + 6⁶ + 2⁷ + 6⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 396393 and 396402.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 396426.

It is not an unprimeable number, because it can be changed into a prime (396427) 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 3 ways as a sum of consecutive naturals, for example, 33030 + ... + 33041.

It is an arithmetic number, because the mean of its divisors is an integer number (99108).

2³⁹⁶⁴²⁶ is an apocalyptic number.

396426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

396426 is a wasteful number, since it uses less digits than its factorization.

396426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66076.

The product of its digits is 7776, while the sum is 30.

The square root of 396426 is about 629.6236971398. The cubic root of 396426 is about 73.4605276510.

The spelling of 396426 in words is "three hundred ninety-six thousand, four hundred twenty-six".