394746822 has 12 divisors (see below), whose sum is σ = 855284820. Its totient is φ = 131582268.

The previous prime is 394746791. The next prime is 394746841. The reversal of 394746822 is 228647493.

It is a super-3 number, since 3×394746822³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10965172 + ... + 10965207.

It is an arithmetic number, because the mean of its divisors is an integer number (71273735).

Almost surely, 2^394746822 is an apocalyptic number.

394746822 is an abundant number, since it is smaller than the sum of its proper divisors (460537998).

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

394746822 is a wasteful number, since it uses less digits than its factorization.

394746822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21930387 (or 21930384 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 394746822 is about 19868.2365095647. The cubic root of 394746822 is about 733.5665969144.

The spelling of 394746822 in words is "three hundred ninety-four million, seven hundred forty-six thousand, eight hundred twenty-two".