396858393 has 16 divisors (see below), whose sum is σ = 602280000. Its totient is φ = 258118560.

The previous prime is 396858389. The next prime is 396858401. The reversal of 396858393 is 393858693.

It is not a de Polignac number, because 396858393 - 2² = 396858389 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (396858313) 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, 178143 + ... + 180356.

It is an arithmetic number, because the mean of its divisors is an integer number (37642500).

Almost surely, 2^396858393 is an apocalyptic number.

It is an amenable number.

396858393 is a deficient number, since it is larger than the sum of its proper divisors (205421607).

396858393 is a wasteful number, since it uses less digits than its factorization.

396858393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358549 (or 358543 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 396858393 is about 19921.3050024340. The cubic root of 396858393 is about 734.8722643494.

The spelling of 396858393 in words is "three hundred ninety-six million, eight hundred fifty-eight thousand, three hundred ninety-three".