396861504365 has 8 divisors (see below), whose sum is σ = 486366439680. Its totient is φ = 310734113872.

The previous prime is 396861504331. The next prime is 396861504439. The reversal of 396861504365 is 563405168693.

It is a happy number.

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 396861504365 - 2⁶ = 396861504301 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 396861504365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844385945 + ... + 844386414.

It is an arithmetic number, because the mean of its divisors is an integer number (60795804960).

Almost surely, 2^396861504365 is an apocalyptic number.

It is an amenable number.

396861504365 is a deficient number, since it is larger than the sum of its proper divisors (89504935315).

396861504365 is a wasteful number, since it uses less digits than its factorization.

396861504365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688772411.

The product of its (nonzero) digits is 13996800, while the sum is 56.

The spelling of 396861504365 in words is "three hundred ninety-six billion, eight hundred sixty-one million, five hundred four thousand, three hundred sixty-five".