394396989260 has 12 divisors (see below), whose sum is σ = 828233677488. Its totient is φ = 157758795696.

The previous prime is 394396989257. The next prime is 394396989289. The reversal of 394396989260 is 62989693493.

It is a hoax number, since the sum of its digits (68) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9859924712 + ... + 9859924751.

It is an arithmetic number, because the mean of its divisors is an integer number (69019473124).

Almost surely, 2^394396989260 is an apocalyptic number.

It is an amenable number.

394396989260 is an abundant number, since it is smaller than the sum of its proper divisors (433836688228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

394396989260 is a wasteful number, since it uses less digits than its factorization.

394396989260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19719849472 (or 19719849470 counting only the distinct ones).

The product of its (nonzero) digits is 136048896, while the sum is 68.

The spelling of 394396989260 in words is "three hundred ninety-four billion, three hundred ninety-six million, nine hundred eighty-nine thousand, two hundred sixty".