396234439 has 4 divisors (see below), whose sum is σ = 396300256. Its totient is φ = 396168624.

The previous prime is 396234367. The next prime is 396234451. The reversal of 396234439 is 934432693.

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

It is a cyclic number.

It is not a de Polignac number, because 396234439 - 2⁹ = 396233927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 396234395 and 396234404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396234469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22854 + ... + 36259.

It is an arithmetic number, because the mean of its divisors is an integer number (99075064).

Almost surely, 2^396234439 is an apocalyptic number.

396234439 is a deficient number, since it is larger than the sum of its proper divisors (65817).

396234439 is an equidigital number, since it uses as much as digits as its factorization.

396234439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65816.

The product of its digits is 419904, while the sum is 43.

The square root of 396234439 is about 19905.6383720794. The cubic root of 396234439 is about 734.4869321078.

The spelling of 396234439 in words is "three hundred ninety-six million, two hundred thirty-four thousand, four hundred thirty-nine".