395022645 has 24 divisors (see below), whose sum is σ = 685596600. Its totient is φ = 210404736.

The previous prime is 395022643. The next prime is 395022671. The reversal of 395022645 is 546220593.

395022645 is a `hidden beast` number, since 3 + 9 + 5 + 0 + 2 + 2 + 645 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9253764 + 385768881 = 3042^2 + 19641^2 .

It is not a de Polignac number, because 395022645 - 2¹ = 395022643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395022643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32011 + ... + 42599.

It is an arithmetic number, because the mean of its divisors is an integer number (28566525).

Almost surely, 2^395022645 is an apocalyptic number.

It is an amenable number.

395022645 is a deficient number, since it is larger than the sum of its proper divisors (290573955).

395022645 is a wasteful number, since it uses less digits than its factorization.

395022645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11429 (or 11426 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 395022645 is about 19875.1766029890. The cubic root of 395022645 is about 733.7374130937.

The spelling of 395022645 in words is "three hundred ninety-five million, twenty-two thousand, six hundred forty-five".