396784957363201 has 16 divisors (see below), whose sum is σ = 444557216314368. Its totient is φ = 350962939497600.

The previous prime is 396784957363177. The next prime is 396784957363259. The reversal of 396784957363201 is 102363759487693.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 396784957363201 - 2³¹ = 396782809879553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396784957363261) 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, 89338141 + ... + 93674293.

It is an arithmetic number, because the mean of its divisors is an integer number (27784826019648).

It is a 1-persistent number, because it is pandigital, but 2⋅396784957363201 = 793569914726402 is not.

Almost surely, 2^{396784957363201} is an apocalyptic number.

It is an amenable number.

396784957363201 is a deficient number, since it is larger than the sum of its proper divisors (47772258951167).

396784957363201 is a wasteful number, since it uses less digits than its factorization.

396784957363201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4561032.

The product of its (nonzero) digits is 1234517760, while the sum is 73.

The spelling of 396784957363201 in words is "three hundred ninety-six trillion, seven hundred eighty-four billion, nine hundred fifty-seven million, three hundred sixty-three thousand, two hundred one".