396435 has 32 divisors (see below), whose sum is σ = 725760. Its totient is φ = 183168.

The previous prime is 396427. The next prime is 396437. The reversal of 396435 is 534693.

It is a happy number.

It is not a de Polignac number, because 396435 - 2³ = 396427 is a prime.

It is a Smith number, since the sum of its digits (30) 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 not an unprimeable number, because it can be changed into a prime (396437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3652 + ... + 3758.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2³⁹⁶⁴³⁵ is an apocalyptic number.

396435 is a deficient number, since it is larger than the sum of its proper divisors (329325).

396435 is a wasteful number, since it uses less digits than its factorization.

396435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147.

The product of its digits is 9720, while the sum is 30.

The square root of 396435 is about 629.6308442254. The cubic root of 396435 is about 73.4610835679.

The spelling of 396435 in words is "three hundred ninety-six thousand, four hundred thirty-five".