396785830859 has 32 divisors (see below), whose sum is σ = 440899200000. Its totient is φ = 354061926400.

The previous prime is 396785830817. The next prime is 396785830867. The reversal of 396785830859 is 958038587693.

It is a cyclic number.

It is not a de Polignac number, because 396785830859 - 2¹² = 396785826763 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (71).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 396785830792 and 396785830801.

It is not an unprimeable number, because it can be changed into a prime (396785839859) 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, 210049787 + ... + 210051675.

It is an arithmetic number, because the mean of its divisors is an integer number (13778100000).

Almost surely, 2^396785830859 is an apocalyptic number.

396785830859 is a deficient number, since it is larger than the sum of its proper divisors (44113369141).

396785830859 is a wasteful number, since it uses less digits than its factorization.

396785830859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019.

The product of its (nonzero) digits is 391910400, while the sum is 71.

The spelling of 396785830859 in words is "three hundred ninety-six billion, seven hundred eighty-five million, eight hundred thirty thousand, eight hundred fifty-nine".