394132583358946 has 16 divisors (see below), whose sum is σ = 592535464835904. Its totient is φ = 196620764833584.

The previous prime is 394132583358907. The next prime is 394132583358947. The reversal of 394132583358946 is 649853385231493.

It is a super-3 number, since 3×394132583358946³ (a number of 45 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (394132583358947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339464611 + ... + 340623673.

It is an arithmetic number, because the mean of its divisors is an integer number (37033466552244).

Almost surely, 2^{394132583358946} is an apocalyptic number.

394132583358946 is a deficient number, since it is larger than the sum of its proper divisors (198402881476958).

394132583358946 is a wasteful number, since it uses less digits than its factorization.

394132583358946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543305.

The product of its digits is 2015539200, while the sum is 73.

The spelling of 394132583358946 in words is "three hundred ninety-four trillion, one hundred thirty-two billion, five hundred eighty-three million, three hundred fifty-eight thousand, nine hundred forty-six".