394050104406 has 48 divisors (see below), whose sum is σ = 980004074400. Its totient is φ = 112094095104.

The previous prime is 394050104387. The next prime is 394050104417. The reversal of 394050104406 is 604401050493.

It is a super-2 number, since 2×394050104406² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6799491 + ... + 6857198.

It is an arithmetic number, because the mean of its divisors is an integer number (20416751550).

Almost surely, 2^394050104406 is an apocalyptic number.

394050104406 is an abundant number, since it is smaller than the sum of its proper divisors (585953969994).

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

394050104406 is a wasteful number, since it uses less digits than its factorization.

394050104406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13656933 (or 13656930 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 394050104406 its reverse (604401050493), we get a palindrome (998451154899).

The spelling of 394050104406 in words is "three hundred ninety-four billion, fifty million, one hundred four thousand, four hundred six".