396786401893 has 32 divisors (see below), whose sum is σ = 481231913472. Its totient is φ = 319790592000.

The previous prime is 396786401887. The next prime is 396786401953. The reversal of 396786401893 is 398104687693.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 396786401893 - 2¹⁷ = 396786270821 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 (396786411893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17676405 + ... + 17698837.

It is an arithmetic number, because the mean of its divisors is an integer number (15038497296).

Almost surely, 2^396786401893 is an apocalyptic number.

It is an amenable number.

396786401893 is a deficient number, since it is larger than the sum of its proper divisors (84445511579).

396786401893 is a wasteful number, since it uses less digits than its factorization.

396786401893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24325.

The product of its (nonzero) digits is 47029248, while the sum is 64.

The spelling of 396786401893 in words is "three hundred ninety-six billion, seven hundred eighty-six million, four hundred one thousand, eight hundred ninety-three".