394117690462 has 8 divisors (see below), whose sum is σ = 591198169392. Its totient is φ = 197051634000.

The previous prime is 394117690397. The next prime is 394117690471. The reversal of 394117690462 is 264096711493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 3537039 + ... + 3646762.

It is an arithmetic number, because the mean of its divisors is an integer number (73899771174).

Almost surely, 2^394117690462 is an apocalyptic number.

394117690462 is a deficient number, since it is larger than the sum of its proper divisors (197080478930).

394117690462 is a wasteful number, since it uses less digits than its factorization.

394117690462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7211234.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 394117690462 in words is "three hundred ninety-four billion, one hundred seventeen million, six hundred ninety thousand, four hundred sixty-two".