395005801 has 16 divisors (see below), whose sum is σ = 421666560. Its totient is φ = 368969040.

The previous prime is 395005777. The next prime is 395005811. The reversal of 395005801 is 108500593.

It is a cyclic number.

It is not a de Polignac number, because 395005801 - 2⁵ = 395005769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395005811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672630 + ... + 673216.

It is an arithmetic number, because the mean of its divisors is an integer number (26354160).

Almost surely, 2^395005801 is an apocalyptic number.

It is an amenable number.

395005801 is a deficient number, since it is larger than the sum of its proper divisors (26660759).

395005801 is a wasteful number, since it uses less digits than its factorization.

395005801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 395005801 is about 19874.7528538093. The cubic root of 395005801 is about 733.7269839458.

The spelling of 395005801 in words is "three hundred ninety-five million, five thousand, eight hundred one".