394106622 has 64 divisors (see below), whose sum is σ = 988485120. Its totient is φ = 101971584.

The previous prime is 394106621. The next prime is 394106651. The reversal of 394106622 is 226601493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394106621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22129 + ... + 35747.

It is an arithmetic number, because the mean of its divisors is an integer number (15445080).

Almost surely, 2^394106622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394106622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494242560).

394106622 is an abundant number, since it is smaller than the sum of its proper divisors (594378498).

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

394106622 is a wasteful number, since it uses less digits than its factorization.

394106622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13697.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 394106622 is about 19852.1188289815. The cubic root of 394106622 is about 733.1698164806.

The spelling of 394106622 in words is "three hundred ninety-four million, one hundred six thousand, six hundred twenty-two".