395640322 has 16 divisors (see below), whose sum is σ = 739899072. Its totient is φ = 154145520.

The previous prime is 395640317. The next prime is 395640341. The reversal of 395640322 is 223046593.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1284393 + ... + 1284700.

It is an arithmetic number, because the mean of its divisors is an integer number (46243692).

Almost surely, 2^395640322 is an apocalyptic number.

395640322 is a deficient number, since it is larger than the sum of its proper divisors (344258750).

395640322 is a wasteful number, since it uses less digits than its factorization.

395640322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569113.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 395640322 is about 19890.7094393337. The cubic root of 395640322 is about 734.1196500049.

The spelling of 395640322 in words is "three hundred ninety-five million, six hundred forty thousand, three hundred twenty-two".