396433 has 4 divisors (see below), whose sum is σ = 400180. Its totient is φ = 392688.

The previous prime is 396427. The next prime is 396437. The reversal of 396433 is 334693.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 117649 + 278784 = 343^2 + 528^2 .

It is a cyclic number.

It is not a de Polignac number, because 396433 - 2⁹ = 395921 is a prime.

It is an Ulam number.

It is a Duffinian number.

396433 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (396437) 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, 1710 + ... + 1927.

It is an arithmetic number, because the mean of its divisors is an integer number (100045).

2³⁹⁶⁴³³ is an apocalyptic number.

It is an amenable number.

396433 is a deficient number, since it is larger than the sum of its proper divisors (3747).

396433 is a wasteful number, since it uses less digits than its factorization.

396433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746.

The product of its digits is 5832, while the sum is 28.

The square root of 396433 is about 629.6292559912. The cubic root of 396433 is about 73.4609600315.

The spelling of 396433 in words is "three hundred ninety-six thousand, four hundred thirty-three".