394659622 has 48 divisors (see below), whose sum is σ = 722172672. Its totient is φ = 160979280.

The previous prime is 394659593. The next prime is 394659623. The reversal of 394659622 is 226956493.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394659623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 700713 + ... + 701275.

It is an arithmetic number, because the mean of its divisors is an integer number (15045264).

Almost surely, 2^394659622 is an apocalyptic number.

394659622 is a deficient number, since it is larger than the sum of its proper divisors (327513050).

394659622 is a wasteful number, since it uses less digits than its factorization.

394659622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913 (or 906 counting only the distinct ones).

The product of its digits is 699840, while the sum is 46.

The square root of 394659622 is about 19866.0419308930. The cubic root of 394659622 is about 733.5125777183.

The spelling of 394659622 in words is "three hundred ninety-four million, six hundred fifty-nine thousand, six hundred twenty-two".