396144539 has 8 divisors (see below), whose sum is σ = 454460160. Its totient is φ = 338259816.

The previous prime is 396144521. The next prime is 396144563. The reversal of 396144539 is 935441693.

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

It is a cyclic number.

It is not a de Polignac number, because 396144539 - 2¹⁶ = 396079003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 396144539.

It is not an unprimeable number, because it can be changed into a prime (396144839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105749 + ... + 109430.

It is an arithmetic number, because the mean of its divisors is an integer number (56807520).

Almost surely, 2^396144539 is an apocalyptic number.

396144539 is a deficient number, since it is larger than the sum of its proper divisors (58315621).

396144539 is a wasteful number, since it uses less digits than its factorization.

396144539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215449.

The product of its digits is 349920, while the sum is 44.

The square root of 396144539 is about 19903.3800898239. The cubic root of 396144539 is about 734.4313796679.

The spelling of 396144539 in words is "three hundred ninety-six million, one hundred forty-four thousand, five hundred thirty-nine".