395566601 has 8 divisors (see below), whose sum is σ = 399952200. Its totient is φ = 391190400.

The previous prime is 395566579. The next prime is 395566637. The reversal of 395566601 is 106665593.

It can be written as a sum of positive squares in 4 ways, for example, as 6885376 + 388681225 = 2624^2 + 19715^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 395566601 - 2¹⁸ = 395304457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395566651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112295 + ... + 115763.

It is an arithmetic number, because the mean of its divisors is an integer number (49994025).

Almost surely, 2^395566601 is an apocalyptic number.

It is an amenable number.

395566601 is a deficient number, since it is larger than the sum of its proper divisors (4385599).

395566601 is a wasteful number, since it uses less digits than its factorization.

395566601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4699.

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 395566601 is about 19888.8562014008. The cubic root of 395566601 is about 734.0740501730.

The spelling of 395566601 in words is "three hundred ninety-five million, five hundred sixty-six thousand, six hundred one".