394609833958836 has 12 divisors (see below), whose sum is σ = 920756279237312. Its totient is φ = 131536611319608.

The previous prime is 394609833958807. The next prime is 394609833958841. The reversal of 394609833958836 is 638859338906493.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16442076414940 + ... + 16442076414963.

Almost surely, 2^{394609833958836} is an apocalyptic number.

It is an amenable number.

394609833958836 is an abundant number, since it is smaller than the sum of its proper divisors (526146445278476).

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

394609833958836 is a wasteful number, since it uses less digits than its factorization.

394609833958836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32884152829910 (or 32884152829908 counting only the distinct ones).

The product of its (nonzero) digits is 21767823360, while the sum is 84.

The spelling of 394609833958836 in words is "three hundred ninety-four trillion, six hundred nine billion, eight hundred thirty-three million, nine hundred fifty-eight thousand, eight hundred thirty-six".