396471493 has 16 divisors (see below), whose sum is σ = 465887232. Its totient is φ = 333630000.

The previous prime is 396471473. The next prime is 396471503. The reversal of 396471493 is 394174693.

It is not a de Polignac number, because 396471493 - 2⁹ = 396470981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396471403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17433 + ... + 33118.

It is an arithmetic number, because the mean of its divisors is an integer number (29117952).

Almost surely, 2^396471493 is an apocalyptic number.

It is an amenable number.

396471493 is a deficient number, since it is larger than the sum of its proper divisors (69415739).

396471493 is a wasteful number, since it uses less digits than its factorization.

396471493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50616.

The product of its digits is 489888, while the sum is 46.

The square root of 396471493 is about 19911.5919253082. The cubic root of 396471493 is about 734.6333760120.

It can be divided in two parts, 3964 and 71493, that added together give a palindrome (75457).

The spelling of 396471493 in words is "three hundred ninety-six million, four hundred seventy-one thousand, four hundred ninety-three".